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: People sitting down mending fishing nets along side a river on a cloudy day. Sentence 2: People are outside.
People are standing in a river.

Sentence 1: A young girl wearing a tutu dances in a large room. Sentence 2: The  young girl is performing.
The young girl is standing there.

Sentence 1: Two people one person dressed in yellow and green with black boots and the other person have on white jacket and brown pants standing on the lake side with birds approaching them Sentence 2: Two people are watching animals.

There are no birds at the lake.