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.

Example Input: Sentence 1: A construction worker leaning against a post. Sentence 2: A construction worker is not currently working.
Example Output: A construction worker is diligently hammering some nails.

Example Input: Sentence 1: One girl is standing on the street, and the other is crouching looking at something on the ground. Sentence 2: A girl is preoccupied with something on the ground.
Example Output: A teacher is talking to her classroom.

Example Input: Sentence 1: a young boy is posing inside a tractor shovel. Sentence 2: A boy is posing.
Example Output:
A young boy is posing inside of a picture booth