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 older man playing a musical instrument, with his eyes closed. Sentence 2: The old man is very good at playing the instrument.

SOLUTION: An older man playing with his eyes closed.

PROBLEM: Sentence 1: A young thin man with a backpack wearing striped t-shirt and glasses is walking on the street and looking at something on his right. Sentence 2: A young black man with a backpack walks down the street at night.

SOLUTION: A young man with a backpack walks down the street.

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.