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 woman is doing a trick while jumping off a diving board. Sentence 2: A lady is spending a day at the pool.

SOLUTION: A woman in a bathing suit is reclining by the pool reading a magazine.

PROBLEM: Sentence 1: A bearded man wearing a painter's cap is playing the xylophone on the side of a busy walkway. Sentence 2: New Orleans street performer

SOLUTION: A man is clean shaven.

PROBLEM: Sentence 1: A boy in a red sled is riding down the hill. Sentence 2: The sled is red

SOLUTION:
The boy in the sled is 10 meters tall