class Lexicon

   attr_accessor :token, :word
 # the token are: direction, verb, stop, noun, number
 # the words are the words from those tokens
   def Pair(token, word)
     @token = token
     @word =  word
   end


   def scan(stuff)
     @words = stuff.split()
     if @words.include? @word
       return token
     else
       puts "The word %s was not found" % @token
     end
   end

   def add_words(words)
     @words.update(words)
   end

  end