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.

[EX Q]: Sentence 1: Dark-haired man singing into a microphone and playing a guitar outside. Sentence 2: A man is juggling knives on stage.
[EX A]: A man is performing.

[EX Q]: Sentence 1: People riding on motorcycles in front of trees. Sentence 2: People riding trees.
[EX A]: Riding motorcycles in front of trees.

[EX Q]: Sentence 1: A Father is observing his son, Kurt to see if his teaching prevents Kurt from cutting himself as he shave with a razor for the first time. Sentence 2: The boy is shaving his legs for the 3rd time in his life.
[EX A]:
A boy using a shaving razor.