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.

Ex Input:
Sentence 1: a biker enjoys a coffee. Sentence 2: A person is having a beverage.

Ex Output:
A biker is drinking beer and playing pool with his friends.

Ex Input:
Sentence 1: The man in the black jacket is throwing a stick for the dog to chase. Sentence 2: The man is playing with a dog.

Ex Output:
The man is cuddlying a cat.

Ex Input:
Sentence 1: A woman in black clothes is in a kitchen, grating cheese. Sentence 2: A lady is cooking dinner.

Ex Output:
A woman is in the bathroom.