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 bare chested man with swimming goggles on his head with a group of swimmers behind him. Sentence 2: a man is leading a swim race
answer:
a shirtless man is followed by swimmers


question:
Sentence 1: A large group of people are assembled in a large city. Sentence 2: The people are waiting for the mayor.
answer:
The people are in the city.


question:
Sentence 1: Two teenagers playing with birds and insects in a compound next to their home in california. Sentence 2: The kids are playing with ants.
answer:

There are two teenagers playing with insects.