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 man stands behind a wall on a busy city street. Sentence 2: The man is obsured from view outside.

SOLUTION: The man is walking down a busy city street.

PROBLEM: Sentence 1: A young boy wearing a blue "24" sports shirt, a girl sipping a juice box and a plastic container with peanut butter and jelly sandwiches. Sentence 2: The girl has juice in her mouth.

SOLUTION: The boy is alone in the classroom.

PROBLEM: Sentence 1: A boy and three girls in blue school uniforms walk down a dirt-covered road. Sentence 2: The children are wearing their school uniforms.

SOLUTION:
The children are playing in the dirt.