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: Two men in black clothes inspect the motor of a racing car while the top of the car is lifted. Sentence 2: Two males are standing near a race car.

SOLUTION: Two men are going 200 mph inside a race car.

PROBLEM: Sentence 1: A woman sings while people dance. Sentence 2: A woman is performing.

SOLUTION: A woman is pouring drinks.

PROBLEM: Sentence 1: A man with long black hair wearing a black shirt and multi-color tie is using a electronic board with lights on it. Sentence 2: The man is wearing several colors.

SOLUTION:
His hair is a different color than his shirt.