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: A young man wearing a green T-shirt and a backpack is waiting with some other people for transportation. Sentence 2: A young man is wearing a blue T-shirt.
Example Output: A man in a t-shirt waits with a group of people.

Example Input: Sentence 1: A young child is in a harness climbing a rock wall. Sentence 2: a old man climbs rock wall
Example Output: a young child climbs a rock wall

Example Input: Sentence 1: A city street busy with people and cars. Sentence 2: It is a ghost town.
Example Output:
The city is busy.