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 lady in a pink coat, black slacks, and brown shoes is sitting on a bench. Sentence 2: A lady is reading a book on a bench.
Example Output: A person is sitting on a bench.

Example Input: Sentence 1: a suitland quarterback is running with the football Sentence 2: A Quarterback runs in for a touchdown.
Example Output: Quarterback runs backwards.

Example Input: Sentence 1: Through an open doorway there is a man outside with a shovel and a wheelbarrow. Sentence 2: A man is unloading a wheelbarrow of concrete.
Example Output:
A man stands in a doorway with a shovel and wheelbarrow.