instruction:
In this task, you're given a pair of sentences, sentence 1 and sentence 2. Sentence 2 contradicts sentence 1. 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.
question:
Sentence 1: A boy with a U.S.M.C. t-shirt sitting next to an electric guitar while reading a book. Sentence 2: A boy playing guitar.
answer:
A boy enjoying his book.

question:
Sentence 1: A dog descends a ramp, teeth bared. Sentence 2: A cat climbs a ramp.
answer:
A dog descends a ramp, smiling.

question:
Sentence 1: A girl with an umbrella is riding on the back of a bicycle peddled by a smiling boy. Sentence 2: Nothing is riding.
answer:
A large human riding.