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: A person is walking up stairs between two buildings. Sentence 2: The person is headed towards the roof of the building.
A person is going up the stairs.

Sentence 1: A blond-haired girl is putting on a bike helmet with a sticker that reads "cool cats" displayed on it. Sentence 2: The young girl is visiting her grandparents Virginia Beach, VA., and is enjoying a bike ride near the beach.
There is one girl in this picture.

Sentence 1: A man and a woman are sitting, while working on the wheel of a blue vehicle. Sentence 2: a man and woman are fixing a flat tire

a man and woman are fixing a wheel on a vehicle