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: People walking across a crosswalk. Sentence 2: People are crossing the street.
Example Output: People are walking on the sidewalk

Example Input: Sentence 1: Riders waiting to get on the train. Sentence 2: People are waiting to get on a train to start their vacation travel.
Example Output: People wait to board the train.

Example Input: Sentence 1: Brown dog chewing on a brown walking cane. Sentence 2: A brown dog is chewing on a cane because he is hungry.
Example Output:
A dog is damaging a walking cane.