instruction:
In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.
question:
Sentence 1: Children are competing in a potato sack race at an outdoor social gathering. Sentence 2: Children participate in a potato sack race.
answer:
Children play baseball.


question:
Sentence 1: A man holds a sign reading "HOMELESS ANYTHING HELPS" near a construction site. Sentence 2: A human with a sign.
answer:
Nobody has a sign


question:
Sentence 1: A woman in blue with a striped purple scarf on her head, stands in front of a woman with a brown headband on her forehead who is speaking with a man wearing light blue and wearing a purple turban. Sentence 2: A woman has something on her head.
answer:

Nobody has anything on their head.