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: A man wearing glasses is singling while holding a guitar while a shirtless man in a fedora plays drums. Sentence 2: A person is singing a song he wrote.
People are making music together.

Sentence 1: Two young men take a break and have some fries and other snacks. Sentence 2: They are also eating sandwiches.
The men are hungry.

Sentence 1: A man wearing a red hat and holding a fake pistol talking to a girl in a large hallway. Sentence 2: The man is attempting to rob the woman.

There is a man and a woman.