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.

Ex Input:
Sentence 1: Some girls dance while waving gauzey fabric. Sentence 2: The girls are practicing a dance.

Ex Output:
The girls are dancing.

Ex Input:
Sentence 1: A man wearing blue jeans, blue shirt and a cap runs in front of a large truck on a street. Sentence 2: A man in blue jeans and a blue shirt is training for a marathan.

Ex Output:
A man runs on the street.

Ex Input:
Sentence 1: A young boy in green is eating chocolate ice cream. Sentence 2: A young boy at a party.

Ex Output:
A young boy eating ice cream.