In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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: A rollerblader skates down a ramp with his arms in the air. Sentence 2: A rollerblader has his arms in the air.
The rollerblader is a girl.

Sentence 1: Bald woman wearing glasses reads to four men and one woman. Sentence 2: A person reading.
The city streets are very quiet

Sentence 1: One man in a dress dances as another man stands by a ladder and faces the other way. Sentence 2: A man is dancing.

Two men are climbing ladders to the roof.