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 man is singing into a microphone. Sentence 2: A man sings into a microphone at a concert.
A man sings a song.

Sentence 1: A man standing on a railroad track looking through his binoculars at a river. Sentence 2: A man standing on a railroad track looking through his binoculars at a raging river.
A man outdoors.

Sentence 1: A group of people, who look like tourists, standing around a city about to cross the street. Sentence 2: A school group takes a tour of the nearby city.

There are multiple people present.