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: Girls dressed in red and black costumes hold a wrestling pose. Sentence 2: Girls are competing

SOLUTION: Girls are wrestling

PROBLEM: Sentence 1: Four people wait in a stone tiled courtyard. Sentence 2: Four people are waiting for a tour guide.

SOLUTION: Four people are outside.

PROBLEM: Sentence 1: A man sitting in a green chair in front of a large window looking out onto a cityscape. Sentence 2: A man is on the top floor, looking at the city below.

SOLUTION:
A man is looking out a large window.