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.

Example Input: Sentence 1: a man wearing a black jacket stands, holding an open book in front of a chalkboard and globe. Sentence 2: A tall man.
Example Output: The street vendor was selling bananas.

Example Input: 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
Example Output: Someone is shooting outside

Example Input: Sentence 1: Several people are riding motorcycles down a narrow street. Sentence 2: A bunch of bikers riding min motorcycles down a narrow street.
Example Output:
People are riding motorcycles.