TASK DEFINITION: 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.
PROBLEM: Sentence 1: A boy and a man work on an upturned bicycle's front wheel. Sentence 2: Two people are almost done working on a bike.

SOLUTION: Two people are working on a bike.

PROBLEM: Sentence 1: A person in a black jacket is grabbing a boy's shoulder to stop him from backing into the road while a silver Mini is driving by. Sentence 2: A father is grabbing his son's shoulder.

SOLUTION: A silver mini is on the road.

PROBLEM: Sentence 1: A man hangs on to a strand of cloth with his big toe, his fingers and his teeth while standing on a platform by a river. Sentence 2: The man is by the river tangled in a thin length of cloth.

SOLUTION:
A man is using his hands, foot, and teeth to hold some cloth.