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 woman stands in front of a pizzeria while traffic buzzes by her. Sentence 2: A woman looks into a pizzeria on a busy street.

SOLUTION: A woman sits on a bench in a city bus.

PROBLEM: Sentence 1: A young boy is looking and touching a bike Sentence 2: A little boy is inspecting a bike.

SOLUTION:
A boy is sleeping