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 woman wearing red flip-flops site on a wall while listening to something with headphones. Sentence 2: A person in flip-flops

SOLUTION: a woman is deep sea diving

PROBLEM: Sentence 1: A man with gray hair accepts coins in front of a kiosk that has a multitude of fine colored powders in large bowls on display. Sentence 2: A man has gray hair.

SOLUTION: A man has white hair.

PROBLEM: Sentence 1: A blond girl in a white dress laughs as a young man holds her arm in the air. Sentence 2: A blond person in a white dress laughs as a young man holds her arm in the air.

SOLUTION:
A blond boy in a white dress laughs as a young man holds his arm in the air.