def feature_template(self, state, sentence):
		feature_list = np.empty((0), int)
		stack = state.stack
		buffer = state.buffer
		ld = state.ld
		rd = state.rd
		form = sentence.form
		pos = sentence.pos
		lemma = sentence.lemma
		morph = sentence.morph
		head = state.arcs

		if stack:
			s0 = stack[-1]
			feature_list = np.append(feature_list, self.get_feature("s0_form="+form[s0]))
			feature_list = np.append(feature_list, self.get_feature("s0_pos="+pos[s0]))
			feature_list = np.append(feature_list, self.get_feature("s0_lemma="+lemma[s0]))
			feature_list = np.append(feature_list, self.get_feature("s0_form_pos="+form[s0]+pos[s0]))
			feature_list = np.append(feature_list, self.get_feature("s0_lemma_pos="+lemma[s0]+pos[s0]))

			if head[s0]>=0:
				feature_list = np.append(feature_list, self.get_feature("head_s0_form="+form[head[s0]]))
				feature_list = np.append(feature_list, self.get_feature("head_s0_pos="+pos[head[s0]]))
			if ld[s0]>=0:
				feature_list = np.append(feature_list, self.get_feature("ld_s0_form="+form[ld[s0]]))
				feature_list = np.append(feature_list, self.get_feature("ld_s0_pos="+pos[ld[s0]]))
			if rd[s0]>=0:
				feature_list = np.append(feature_list, self.get_feature("rd_s0_form="+form[rd[s0]]))
				feature_list = np.append(feature_list, self.get_feature("rd_s0_pos="+pos[rd[s0]]))
			if len(stack)>1:
				s1 = stack[-2]
				feature_list = np.append(feature_list, self.get_feature("s1_form="+form[s1]))
				feature_list = np.append(feature_list, self.get_feature("s1_pos="+pos[s1]))
				feature_list = np.append(feature_list, self.get_feature("s1_form_pos="+form[s1]+pos[s1]))
			if morph:
				feature_list = np.append(feature_list, self.get_feature("s0_morph="+morph[s0]))

		if buffer:
			b0 = buffer[0]
			feature_list = np.append(feature_list, self.get_feature("b0_form="+form[b0]))
			feature_list = np.append(feature_list, self.get_feature("b0_pos="+pos[b0]))
			feature_list = np.append(feature_list, self.get_feature("b0_lemma="+lemma[b0]))
			feature_list = np.append(feature_list, self.get_feature("b0_form_pos="+form[b0]+pos[b0]))
			feature_list = np.append(feature_list, self.get_feature("b0_lemma_pos="+lemma[b0]+pos[b0]))

			if head[b0]>=0:
				feature_list = np.append(feature_list, self.get_feature("head_b0_form="+form[head[b0]]))
				feature_list = np.append(feature_list, self.get_feature("head_b0_pos="+pos[head[b0]]))
			if ld[b0]>=0:
				feature_list = np.append(feature_list, self.get_feature("ld_b0_form="+form[ld[b0]]))
				feature_list = np.append(feature_list, self.get_feature("ld_b0_pos="+pos[ld[b0]]))
			if rd[b0]>=0:
				feature_list = np.append(feature_list, self.get_feature("rd_b0_form="+form[rd[b0]]))
				feature_list = np.append(feature_list, self.get_feature("rd_b0_pos="+pos[rd[b0]]))

			if len(buffer)>1:
				b1 = buffer[1]
				feature_list = np.append(feature_list, self.get_feature("b1_form="+form[b1]))
				feature_list = np.append(feature_list, self.get_feature("b1_pos="+pos[b1]))
				feature_list = np.append(feature_list, self.get_feature("b1_form_pos="+form[b1]+pos[b1]))
				feature_list = np.append(feature_list, self.get_feature("b0_form+b1_form="+form[b0]+form[b1]))
				feature_list = np.append(feature_list, self.get_feature("b0_pos+b1_pos="+pos[b0]+pos[b1]))
				if stack:
					feature_list = np.append(feature_list, self.get_feature("b0_pos+b1_pos+s0_pos="+pos[b0]+pos[b1]+pos[stack[-1]]))
			if len(buffer)>2:
				b2 = buffer[2]
				feature_list = np.append(feature_list, self.get_feature("b2_pos="+pos[b2]))
				feature_list = np.append(feature_list, self.get_feature("b2_form="+form[b2]))
				feature_list = np.append(feature_list, self.get_feature("b2_form_pos="+form[b2]+pos[b2]))
				feature_list = np.append(feature_list, self.get_feature("b0_pos+b1_pos+b2_pos="+pos[b0]+pos[b1]+pos[b2]))
			if len(buffer)>3:
				b3 = buffer[3]
				feature_list = np.append(feature_list, self.get_feature("b3_pos="+pos[b3]))

			if morph:
				feature_list = np.append(feature_list, self.get_feature("b0_morph="+morph[b0]))
				feature_list = np.append(feature_list, self.get_feature("b0_pos_morph="+pos[b0]+morph[b0]))
		if stack and buffer:
			s0 = stack[-1]
			b0 = buffer[0]
			feature_list = np.append(feature_list, self.get_feature("s0_form_pos+b0_form_pos="+form[s0]+pos[s0]+form[b0]+pos[b0]))
			feature_list = np.append(feature_list, self.get_feature("s0_form_pos+b0_form="+form[s0]+pos[s0]+form[b0]))
			feature_list = np.append(feature_list, self.get_feature("s0_form+b0_form_pos="+form[s0]+form[b0]+pos[b0]))
			feature_list = np.append(feature_list, self.get_feature("s0_form_pos+b0_pos="+form[s0]+pos[s0]+pos[b0]))
			feature_list = np.append(feature_list, self.get_feature("s0_pos+b0_form_pos="+pos[s0]+form[b0]+pos[b0]))
			feature_list = np.append(feature_list, self.get_feature("s0_form+b0_form="+form[s0]+form[b0]))
			feature_list = np.append(feature_list, self.get_feature("s0_pos+b0_pos="+pos[s0]+pos[b0]))
			feature_list = np.append(feature_list, self.get_feature("s0_lemma+b0_lemma="+lemma[s0]+lemma[b0]))

			if morph:
				feature_list = np.append(feature_list, self.get_feature("s0_b0_morph="+morph[s0]+morph[b0]))
				feature_list = np.append(feature_list, self.get_feature("s0_b0_pos_morph="+pos[s0]+pos[b0]+morph[s0]+morph[b0]))

			if head[s0]>=0:
				feature_list = np.append(feature_list, self.get_feature("s0_pos+b0_pos+hd_s0_pos="+pos[s0]+pos[b0]+pos[head[s0]]))
			if ld[b0]>=0:
				feature_list = np.append(feature_list, self.get_feature("s0_pos+b0_pos+ld_s0_pos="+pos[s0]+pos[b0]+pos[ld[s0]]))
				feature_list = np.append(feature_list, self.get_feature("s0_pos+b0_pos+ld_b0_pos="+pos[s0]+pos[b0]+pos[ld[b0]]))
			if rd[b0]>=0:
				feature_list = np.append(feature_list, self.get_feature("s0_pos+b0_pos+rd_s0_pos="+pos[s0]+pos[b0]+pos[rd[s0]]))
				feature_list = np.append(feature_list, self.get_feature("s0_pos+b0_pos+rd_b0_pos="+pos[s0]+pos[b0]+pos[rd[b0]]))