TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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: Man grilling hotdogs, buns, peppers and other foods while another man stands behind him posing. Sentence 2: A man throwing hotdogs at a car.

SOLUTION: A man posing behind another one who is cooking.

PROBLEM: Sentence 1: A young woman singing and playing guitar in a performance. Sentence 2: She is playing the piano.

SOLUTION: A young woman singing and playing guitar.

PROBLEM: Sentence 1: The man in the denim outfit walks a black and tan dog on a crosswalk. Sentence 2: The man is sitting on a bar stool in his basement.

SOLUTION:
The man is near the dog.