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.

[Q]: Sentence 1: A young man with no shirt on is wearing black pants and sneakers is jumping over a blue skateboard. Sentence 2: This young man is attempting the most difficult skateboarding trick known to man.
[A]: a man in black pants jumps over his skateboard

[Q]: Sentence 1: A pair of hands is shooting a black gun in the direction of trees. Sentence 2: the woman is practice shooting, missing the cans and hitting the trees
[A]: Someone is shooting outside

[Q]: Sentence 1: A brown dog bites a purple mitten in the snow. Sentence 2: the dog bit the mitten thinking it was a cat
[A]:
a dog bit a mitten