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: Four football players raise their helmets at the game. Sentence 2: These people are all seniors in high school.

SOLUTION: The guys here know the rules of football.

PROBLEM: Sentence 1: A man wearing all black sits on a wooden bench and reads, his umbrella is open nearby on the ground. Sentence 2: A man is waiting for a bus

SOLUTION: a guy reads by his umbrella

PROBLEM: Sentence 1: The girl with a red coat is walking across the grass. Sentence 2: A girl is cold walking across the lawn.

SOLUTION:
A girl walks on the grass wearing a coat.