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 chinese man doing work on a sign Sentence 2: A man is working.

SOLUTION: A man is playing volleyball.

PROBLEM: Sentence 1: Two soccer players from opposing teams trying to get control of the ball before the other player does. Sentence 2: Two soccer plays fighting for control of the ball

SOLUTION: The quarterback throws the football.

PROBLEM: Sentence 1: A boat with one sail is being steered in calm water. Sentence 2: A boat is on the water.

SOLUTION:
A canoe is on rough water.