TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 guy in a white shirt skateboarding on a ramp. Sentence 2: There is a man doing a trick in the air.

SOLUTION: A skateboarder rolls along.

PROBLEM: Sentence 1: A group of men plays volleyball at the Olympic games. Sentence 2: Many people, are watching a match.

SOLUTION: There are people playing a game.

PROBLEM: Sentence 1: A young blond boy helps by scrubbing out the sink. Sentence 2: A young boy is helping his mom clean the kitchen.

SOLUTION:
A young boy is scrubbing the sink.