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.
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Question: Sentence 1: Two women in skirts walking across a street. Sentence 2: They were walking.

Answer: Both women wore pants.

Question: Sentence 1: Two children, one wearing purple, the other black, ride a single bike on the pavement. Sentence 2: Two children ride the same bike.

Answer: Two adults ride a double seater bike.

Question: Sentence 1: A tennis player hitting the ball. Sentence 2: The tennis player is playing tennis.

Answer:
The tennis player is stretching.