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 neither agree nor 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 group of teenagers stand and sit on a house porch. Sentence 2: teenagers sit on the porch

SOLUTION: Some teenagers are standing and some are sitting on a porch.

PROBLEM: Sentence 1: A basketball player in the air about to make a shot. Sentence 2: The player is trying for a buzzer beating game winning shot in air from half court.

SOLUTION: The player is in air with two seconds left.

PROBLEM: Sentence 1: A woman is practicing her form with the backstroke during lap swimming at a local indoor pool. Sentence 2: A woman is swimming laps at an indoor pool.

SOLUTION:
A woman is practicing her backstroke at the indoor pool for the upcoming swim meet.