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: A man wearing black and yellow shorts is standing on a wooden pole with his arms outstretched and his shirt pulled over his face. Sentence 2: Someone is climbing a pole.

SOLUTION: Someone is outside.

PROBLEM: Sentence 1: A man in a baseball cap is playing a shooting game in an arcade with a friend. Sentence 2: A man is playing an arcade game the mall.

SOLUTION: A man is playing an arcade game.

PROBLEM: Sentence 1: A young man with a large black portfolio is skateboarding on the sidewalk. Sentence 2: A young man with a black portfolio is skateboarding dangerously on the sidewalk.

SOLUTION:
A man with a large black portfolio is skateboarding on the sidewalk.