instruction:
In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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: A man works on the rear tire of a bike while a baby looks on from behind the bike. Sentence 2: A man fixes a flat on a mountain bike path.
answer:
A man repairs a bicycle tire.


question:
Sentence 1: A young girl playing is a sprinkler fountain jumps on a yellow concrete spot. Sentence 2: The girl is playing a game in which she neads to stay on the yellow spot.
answer:
A girl is playing in a fountain.,


question:
Sentence 1: One boy hoists another boy up on his back. Sentence 2: A kid is helping his brother steal cookies from on top of the fridge.
answer:

A boy is on another boys back.