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.

Ex 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.

Ex Output:
A teacher is talking to her classroom.


Ex Input:
Sentence 1: A man in a leather jacket is reading a book. Sentence 2: A man in a jacket is reading.

Ex Output:
A man in a leather jacket is ridding a motorcycle.


Ex Input:
Sentence 1: The little boy in the red shirt looks at the smaller boy in an orange shirt while riding bikes. Sentence 2: Two boys are riding bicycles.

Ex Output:

The boys are swimming.