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.

[EX Q]: Sentence 1: A man uses a drill while a second man looks on. Sentence 2: The man works with a drill while another watches.
[EX A]: The men are working with hammers only.

[EX Q]: Sentence 1: A rollerblader skates down a ramp with his arms in the air. Sentence 2: A rollerblader has his arms in the air.
[EX A]: The rollerblader is a girl.

[EX Q]: Sentence 1: A man jumping off of rocks into a pool of water. Sentence 2: A man jumps into a pool.
[EX A]:
The rock pushes rick into the water.