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: People walking and congregating on a public street. Sentence 2: People walking around a city.

SOLUTION: Cars hit dozens of people who are jaywalking on a busy street.

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 man in red takes cellphone pictures at a football game. Sentence 2: There is a  man in red taking pictures of football players with his cellphone.

SOLUTION:
There is a man in blue taking cellphone pictures at the zoo.