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: It looked dark outside while in the empty restaurant, a young guy dressed in black sat in a booth playing the harmonica. Sentence 2: A young man is playing the harmonica.

SOLUTION: A man with a harmonica in his pocket is walking down the street.

PROBLEM: Sentence 1: A beautiful street photo where people are walking by an old building. Sentence 2: People are walking around

SOLUTION: There is no one around

PROBLEM: Sentence 1: A guy wearing a red shirt and yellow hat is tasting some ice cream. Sentence 2: A man is eating.

SOLUTION:
A man is riding a bicycle.