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: Man in a one shirt popping wheelies in the air on a red bicycle in a path lined by grass. Sentence 2: A man is riding a bike in a trick competition.
answer:
A man is riding a bike.


question:
Sentence 1: A guy in the air doing wakeboarding. Sentence 2: A man is wakeboarding on his birthday.
answer:
A man is outdoors.


question:
Sentence 1: Two workers, one male and one female, wearing green pants and neon yellow work shirts are planting flowers in the median of a street. Sentence 2: Workers planting flowers in the street for a government project.
answer:

Two people planting flowers in the street.