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: Six men sit in front of a dock, four of them wearing blue. Sentence 2: Six men sit outside.
Six women sit outside a mansion.

Sentence 1: A man wearing a hard hat wades through water. Sentence 2: The man is wading in water.
The man wearing a hardhat is operating a crane on highrise building.

Sentence 1: A construction worker leaning against a post. Sentence 2: A construction worker is not currently working.

A construction worker is diligently hammering some nails.