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 little boy squats while playing with a yellow plastic shovel. Sentence 2: The little boy has a toy tool.

SOLUTION: a little boy is playing with his green metal shovel.

PROBLEM: Sentence 1: A girl wearing a pink and black shirt and jeans fixes her hair before walking up the stairs. Sentence 2: A girl is wearing a shirt.

SOLUTION: A girl is bald.

PROBLEM: Sentence 1: A flight crew member is leaning out of the plane's cockpit window trying to clean the windshield. Sentence 2: Someone is cleaning some glass.

SOLUTION:
Everyone is riding a motorcycle.