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: A young lady wearing blue jogging pants is enjoying a jog on a nice spring day. Sentence 2: The lady is jogging.

SOLUTION: The lady is shopping at a mall.

PROBLEM: Sentence 1: A man uses a drill while a second man looks on. Sentence 2: The man works with a drill while another watches.

SOLUTION: The men are working with hammers only.

PROBLEM: Sentence 1: A man plays the piano while several people chat around the kitchen island. Sentence 2: man is playing the piano

SOLUTION:
man is playing the drums