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.

Sentence 1: Two little boys look back as they walk across a grassy area. Sentence 2: Two boys are walking across pavement.
Two boys are friends at school.

Sentence 1: A boy jumps on his skateboard while a crowd watches Sentence 2: A boy is sitting on his skateboard on the ground.
A skater is wearing a helmet.

Sentence 1: A artist plays the acoustic guitar and sings from her soul. Sentence 2: There is a mime performing.

There is a talented artist playing the guitar.