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 man is helping another man after a fall on the street. Sentence 2: The man is behind a good samaritan by helping another man.
The man never fell.

Sentence 1: A man in a blue jacket smiles back at the camera, positioned in front of a lake or large river on a clear sunny day. Sentence 2: A man is posing for a picture outside.
A man is snowboarding down a huge mountain.

Sentence 1: A woman is digging a hole in a garden, using a shovel. Sentence 2: A woman is shoveling dirt in her garden.

A woman is filling in a hole in her driveway.