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: Three guys, one playing the guitar, one playing the keyboard accordion and one playing the violin. Sentence 2: Three people are playing musical instruments.

SOLUTION: All three guys are playing guitars.

PROBLEM: Sentence 1: Two men on a balcony look up and point at something. Sentence 2: Two men are on a balcony

SOLUTION: One man is on a balcony

PROBLEM: Sentence 1: A man kneeling on a green carpet overlooking mountain scenery. Sentence 2: A man is enjoying nature.

SOLUTION:
A man is hating nature.