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.

Ex Input:
Sentence 1: A person climbing a large moss-covered rock Sentence 2: There is a person on top of a large rock pulling someone else up.

Ex Output:
A person is climbing a rock.

Ex Input:
Sentence 1: A young man rides a bike while carrying a shovel as he passes a woman with a basket. Sentence 2: A young mad rides a blue bike.

Ex Output:
A young man rides a bike.

Ex Input:
Sentence 1: A woman is sitting on a dock in front of a big gray ship. Sentence 2: A woman is about to leave on a voyage across the Atlantic Ocean.

Ex Output:
A woman is near the water.