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 is rowing a canoe with several people on board. Sentence 2: A boat full of people is propelled by a man.
[EX A]: A man captains a motorboat alone.

[EX Q]: Sentence 1: Two men in red shirts walking on the walls of a white building. Sentence 2: The men are wearing shirts.
[EX A]: The men are spiderman.

[EX Q]: Sentence 1: Two teenagers are smiling at a computer monitor. Sentence 2: People are looking at a computer.
[EX A]:
Two teenagers are yelling at the television set.