In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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: Two young men participate in a soccer game. Sentence 2: Two girls are playing basketball.
Example Output: Two people are playing soccer.

Example Input: Sentence 1: Three little girls dancing in a gymnasium with pink tutus. Sentence 2: Some circus performers are doing acrobatics.
Example Output: Some ballerinas practice in tutus.

Example Input: Sentence 1: Middle-age students sitting in rows of tables listening to a teacher sitting in front of room behind desk. Sentence 2: A teacher practices CPR on a dummy, while the class watches.
Example Output:
A teacher is talking to her class.