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.

Sentence 1: People riding on motorcycles in front of trees. Sentence 2: People riding trees.
Riding motorcycles in front of trees.

Sentence 1: A man is handling heavy machinery. Sentence 2: A man is filling out paper work at his desk.
A man is working.

Sentence 1: A man in a gray t-shirt juggling 3 white pins in a park. Sentence 2: A woman juggling.

A man in a park.