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 motorcycle is parked next to the road with four people surrounding it. Sentence 2: Four people are around a motorcycle.
A group of people play frisbee

Sentence 1: Young boy in an orange shirt climbing an apple tree. Sentence 2: A boy climbs a tree.
A boy climbs a peach tree.

Sentence 1: A man stands on a mountain overlooking trees and a lake. Sentence 2: The man is outside.

The man is on flat ground.