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 skateboarded is doing a handstand on a board in the street. Sentence 2: A skateboarder is doing a handstand in front of an audience.

SOLUTION: A skateboarder is performing a trick in the street.

PROBLEM: Sentence 1: A young man rides a bike while carrying a shovel as he passes a woman with a basket. Sentence 2: A young mad rides a blue bike.

SOLUTION: A young man rides a bike.

PROBLEM: Sentence 1: Little leaguer getting ready for pitch Sentence 2: The little leaguer threw a strike.

SOLUTION:
A player is about to pitch.