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 child runs down an elevated walkway in a city. Sentence 2: A child runs in New York City.

SOLUTION: A child runs in a city.

PROBLEM: Sentence 1: A boy is leaning on a car with flowers on the hood. Sentence 2: A boy is leaning on his father brand new car.

SOLUTION: Someone is leaning on the hood of a car.

PROBLEM: Sentence 1: Two men, one holding a cigarette, sitting at a table outdoors on the street. Sentence 2: Two men are having a conversation.

SOLUTION:
Two men are sitting together.