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 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.

Sentence 1: A group of girls playing roller derby while an audience looks on in the background. Sentence 2: The team in blue is winning the roller derby.
The girls are rollerskating.

Sentence 1: six adults sitting around a table listening to one person read. Sentence 2: A group of adults listen to someone read Harry Potter.
A group of adults listening to someone read.

Sentence 1: Two younger people and an older gentleman are intently observing some sand. Sentence 2: Two people and their father are at the beach.

Three people are observing the sand.