TASK DEFINITION: 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.
PROBLEM: Sentence 1: A group of female musicians is playing in front of a building with an open instrument case in front of them. Sentence 2: A group of female musicians are playing and looking for money from passersby.

SOLUTION: A female music group is playing for tips.

PROBLEM: Sentence 1: A mother is holding a child. Sentence 2: The woman is carrying her son at the park

SOLUTION: The woman is carrying a child

PROBLEM: Sentence 1: Man works at microphone with a group of informally attired musicians under the lead of a conductor. Sentence 2: A man with a microphone is gesturing towards a group of people seated behind him.

SOLUTION:
A man is taking care of the microphone for the musicians.