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: Dog training on the mountain Sentence 2: A dog is taking a class.
A dog is on a mountain.

Sentence 1: Man takes a picture in a dark setting. Sentence 2: The man found it easiest to capture souls when the lighting allowed him to focus solely on his targets with greater precision.
Person creates image in low light.

Sentence 1: A young child is standing in a river pouring a large green bucket of water over his head. Sentence 2: A young child is playing with water.

A young child is standing in some water and pouring it on himself.