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: Two girls are standing outside. Sentence 2: Two girls stand outside while waiting for their friends.

SOLUTION: Two people stand around outdoors.

PROBLEM: Sentence 1: A football player is tackling the player with the football as the crowd watches. Sentence 2: A crowd watches a sporting event.

SOLUTION: A crowd watches a football game.

PROBLEM: Sentence 1: The race car is speeding up the hill. Sentence 2: The blue race car is speeding towards the finish line which is at the top of the hill.

SOLUTION:
A car is moving.