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: Various people sitting and talking in a room. Sentence 2: there are variety of people giving presentation and doing discussions

SOLUTION: A girl catching a bus in the city.

PROBLEM: Sentence 1: A man holds a coffee cup while in the bathroom. Sentence 2: A man is in the bathroom.

SOLUTION:
The man is standing in the kitchen.