TASK DEFINITION: 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.
PROBLEM: Sentence 1: Two boys, one wearing a red and the other wearing a white shirt, play frisbee in a park. Sentence 2: A guitarist tunes up.

SOLUTION: Boys playing disc golf in the park.

PROBLEM: Sentence 1: A child attaching clip to nails on a board. Sentence 2: Child is playing with his mother on playground

SOLUTION: Child busy in doing activities on board

PROBLEM: Sentence 1: A boy dressed in a blue coat skateboards down a street lined with parked cars. Sentence 2: The boy in a blue coat is riding a bicycle.

SOLUTION:
A teenage boy without a helmet is skateboarding against traffic.