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 man in a blue t-shirt holds a camera. Sentence 2: A man holding a camera.
A man prepares to take notes.

Sentence 1: a man bows his head in front of six green glasses, four red glasses, and two tea cups Sentence 2: A man decided to bow his head in front of six green and four red glasses, as well as two tea cups
A man is performing karate with his students

Sentence 1: A woman sits staring at a waterfall. Sentence 2: A woman contemplates a waterfall.

A young girl is learning to swim.