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 man bows his head in front of six green glasses, four red glasses, and two tea cups Sentence 2: A man decided to bow his head in front of six green and four red glasses, as well as two tea cups

SOLUTION: A man is performing karate with his students

PROBLEM: Sentence 1: The troops salute their captain. Sentence 2: the troops are saluting.

SOLUTION: a brown dog is sleeping in the sunshine

PROBLEM: Sentence 1: guy rollerskating on skate ramp Sentence 2: A guy is rollerskating on a skate ramp.

SOLUTION:
A guy is cooking steaks on a skate ramp.