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: little boy in blue shorts holding a window screen Sentence 2: A male child is holding something.

SOLUTION: The girl is dancing in a tutu.

PROBLEM: Sentence 1: A white-haired coach stands in front of a group of high school age boys running past him. Sentence 2: A coach stands near some teens.

SOLUTION: A coach is laying in bed.

PROBLEM: Sentence 1: Construction workers pour concrete to fill a hole on the side of the road. Sentence 2: Construction workers pour concrete

SOLUTION:
Construction workers pour sand to fill a hole on the side of the road