instruction:
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.
question:
Sentence 1: A man wearing blue jeans, blue shirt and a cap runs in front of a large truck on a street. Sentence 2: A man in blue jeans and a blue shirt is training for a marathan.
answer:
A man runs on the street.


question:
Sentence 1: Three men standing around a car on a racetrack. Sentence 2: The car is stolen.
answer:
Three men are gathered around a car.


question:
Sentence 1: A man in a camouflage tank top standing next to a man in a gray t-shirt with a fountain in the background. Sentence 2: A man is about to toss a penny in a fountain.
answer:

A man is standing in front of a fountain.