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 lumberjack competitor chops out a section of a massive log. Sentence 2: The lumberjack wields a chopping tool.
The lumberjack assembles pre-fabricated furniture.

Sentence 1: A small brown dog runs through the grass in front of another dog and their owners. Sentence 2: 2 dogs and their owners play in the field
2 large dogs run in the house

Sentence 1: Woman in a green dress with a white top and red-hair singing in a room with a blue roof while band equipment is being prepared. Sentence 2: The woman is wearing a green dress.

The woman is a blonde.