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: An air force pilot is holding his daughter in his arms on a runway. Sentence 2: The air force pilot is dressed up.
The pilot is using his arms to carry his daughter.

Sentence 1: A house is being demolished. Sentence 2: A wrecking ball is destroying a house.
A house is being destroyed.

Sentence 1: A surfer is riding a wave in a wetsuit. Sentence 2: A man is surfing for a contest.

A person is surfing.