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 family sits around at Christmas time, some playing Jenga while others play with children. Sentence 2: Some people are playing Jenga.

SOLUTION: A family is shooting fireworks.

PROBLEM: Sentence 1: A skinny guy is eating a sandwich while using the computer. Sentence 2: The guy is skinny

SOLUTION: The man is very fat

PROBLEM: Sentence 1: The small boy is sitting on the floor and putting on a pair of jeans. Sentence 2: the pair of the jeans is blue.

SOLUTION:
The boy is putting on shorts.