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 contradict 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.

[EX Q]: Sentence 1: A group of men are standing around and drinking water with their bikes. Sentence 2: The men are at a park taking a rest.
[EX A]: A group of bikers are drinking water.

[EX Q]: Sentence 1: A group of people are riding on a John Deere tractor in a field. Sentence 2: A bunch of hairy people are riding on a tractor.
[EX A]: A bunch of people are riding on a tractor.

[EX Q]: Sentence 1: A guy riding a bike on a track. Sentence 2: A sad guy riding a bike on a track.
[EX A]:
A person riding a bike on a track.