In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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: At the bakery, the fat old baker sleeps while his apprentice rubs the flour out of his eyes, seated beside him. Sentence 2: The apprentice is clumsy.
An apprentice works while the baker sleeps.

Sentence 1: A man riding a green motorcycle jumping nine other green motorcycles. Sentence 2: A man crashed while jumping over obstacles on his motorcycle.
A man is performing tricks on his powerfile bike.

Sentence 1: A group of people in green vests working outside in a city square. Sentence 2: A group of people doing community service

A group of people outside in the city