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 girls wearing sandals are standing by the water. Sentence 2: Two girls are standing in front of the monongahela.

SOLUTION: Two girls are standing by water.

PROBLEM: Sentence 1: A biker in uniform suspended in air in front of a crowd of people. Sentence 2: A biker is wearing a police uniform.

SOLUTION: A human is suspended in air.

PROBLEM: Sentence 1: A man in a blank tank top lying down on a gray bench. Sentence 2: A homeless and dirty man is lying outside.

SOLUTION:
A man is lying down on a bench.