TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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.
PROBLEM: Sentence 1: A child is sliding down a hill on a sled. Sentence 2: The child was outdoors.

SOLUTION: A child is sliding up a hill on a sled.

PROBLEM: Sentence 1: The thin, older man wearing an orange-striped shirt and gray pants carries his tools on a vintage gray bicycle and rests for a moment by the corrugated building. Sentence 2: the skinny old guy with tooks is taking a break

SOLUTION: A man is walking on stilts.

PROBLEM: Sentence 1: A woman in a blue blouse leans over a pool table with her cue in hand and an eight ball on the table. Sentence 2: The woman is playing billiards.

SOLUTION:
A woman in a blue blouse leans over a chess board.