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: Someone is walking through the snow with snow covered mountains behind them. Sentence 2: a person is walking in the himalayas
a person is walking outside

Sentence 1: Two young girls splashing in a puddle Sentence 2: The puddle is dirty.
Some girls are in some water.

Sentence 1: Three girls do back flips and cartwheels in the surf. Sentence 2: three girls are at the beach doing flips in the water.

Three girls are in a body of water