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: Blond woman sitting on city bench reading a magazine in the shade. Sentence 2: A woman is running in a marathon.

SOLUTION: A person is reading.

PROBLEM: Sentence 1: A man in a white shirt crossing the street in a city holding a guitar. Sentence 2: A man in a lake .

SOLUTION: A man holding an instrument.

PROBLEM: Sentence 1: Two people are descending down some stone steps. Sentence 2: The people are ascending

SOLUTION:
Two people are walking down steps.