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.

Q: Sentence 1: Man in a black shirt walking down a large set of stairs. Sentence 2: A man in a white shirt is walking up the stairs.

A: A person in black is moving around
****
Q: Sentence 1: An older man with wild hair is checking out motorbikes. Sentence 2: The old man is surfing.

A: The man doesn't brush his hair.
****
Q: Sentence 1: A band performs at a concert. Sentence 2: A football game is at the stadium.

A:
At the concert there is a band performing.
****