posivite_negative_list

sentences = [
    "I have a cat",
    "I want to have chicken",
    "Horse in the barn",
    "I like cow",
    "Dog plays with cat",
    "Rabbit likes carrot",
    "this pig is big",
    "Mouse in the house",
]

words = ["cat", "dog", "pig", "chicken"]
words = {w.strip().lower() for w in words}
# set comprehension
# https://python-reference.readthedocs.io/en/latest/docs/comprehensions/set_comprehension.html


def sentence_checker(words, sentence):
    sentence = set(sentence.lower().split())
    return not words.isdisjoint(sentence)


def main():
    positive_list = []
    negative_list = []
    for sentence in sentences:
        if sentence_checker(words, sentence):
            positive_list.append(sentence)
        else:
            negative_list.append(sentence)
    return positive_list, negative_list


pos, neg = main()
print(pos)
print(neg)