TASK DEFINITION: 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.
PROBLEM: Sentence 1: A couple sits on a bench talking, while a woman walks a dog in the background. Sentence 2: Many people are enjoying the day at the park.

SOLUTION: People are sitting on the bench.

PROBLEM: Sentence 1: A very fit man is leaning against a tree. Sentence 2: A man is waiting for a bus in the shade of a tree.

SOLUTION: The man is outside.

PROBLEM: Sentence 1: A group of rollerskaters follow the lead of a man wearing blue pants and a red shirt on a wood paneled floor. Sentence 2: A group of people are having fun rollerskating to music.

SOLUTION:
A group of rollerskaters rollerskate.