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 children wearing a uniform of pink shirts and blue pants are standing in a grassy field at an event. Sentence 2: Two children are friends

SOLUTION: Two children are standing at an event

PROBLEM: Sentence 1: A man on a brown horse is preparing to lasso a bull, while another man on a white horse corrals the bull. Sentence 2: The men are veteran ranch hands.

SOLUTION: Two men are trying to round bulls up.

PROBLEM: Sentence 1: A man is sitting down wearing blue gloves and wearing a white jacket. Sentence 2: A doctor in surgical gloves and a lab coat rests after a long surgery.

SOLUTION:
A man is sitting.