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: A long-haired lady performs in an equestrian event by the sea side. Sentence 2: The man with long hair is performing.

SOLUTION: The lady has long hair.

PROBLEM: Sentence 1: Two boys are playing flag football. Sentence 2: Two high school girls play flag football.

SOLUTION: Children are playing sports.

PROBLEM: Sentence 1: A few people are riding elephants through a river. Sentence 2: A man is grilling a hamburger.

SOLUTION:
Elephants are walking through a river.