def load_words(filename):
    word_list = []
    with open(filename, 'r') as f:
        for line in f:
            word_list.append(line.strip())
        return word_list

positive_text = load_words("NYC3-pos.txt")
negative_text = load_words("NYC3-neg.txt")
score = 0
print("Sentiment Analyzer 2.0")
while True:
    input_text = input("Enter a sentence containing a positive or negative word or ENTER to quit: ")
    if input_text == "quit":
        break
    text = input_text.split(" ")
    for word in text:
        if word in positive_text:
            score = score + 1
        if word in negative_text:
            score = score - 1
    if (score > 0):
        print("Score: ", score, "is positive.")
    elif (score < 0):
        print("Score: ", score, "is negative.")
    else:
        print("Score: ", score, "is neutral.")