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 guy in the air doing wakeboarding. Sentence 2: A man is wakeboarding on his birthday.
A man is outdoors.

Sentence 1: A girl in a pink sweatshirt goes to sit at a table while a boy watches. Sentence 2: the little girl in pink was watched from a boy as she was sitting eating lunch
the girl in pink went to sit at a table as a boy was looking at her

Sentence 1: a man wearing a black jacket stands, holding an open book in front of a chalkboard and globe. Sentence 2: A tall man.

The street vendor was selling bananas.