TASK DEFINITION: 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.
PROBLEM: Sentence 1: A girl has the ball in a game of basketball Sentence 2: She is playing basketball.

SOLUTION: The girl is playing softball.

PROBLEM: Sentence 1: A singer is performing in costume during a show. Sentence 2: A singer wearing a costume

SOLUTION: A group of people putting on a play

PROBLEM: Sentence 1: A person in a hat is playing with a boy on a beach. Sentence 2: An individual is running with a boy outside.

SOLUTION:
Someone is playing tag with a girl inside the house.