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 dachshund puppy jumps on a bed. Sentence 2: A dog is in the air.

SOLUTION: A dog is sleeping in the den.

PROBLEM: Sentence 1: The troops salute their captain. Sentence 2: the troops are saluting.

SOLUTION: a brown dog is sleeping in the sunshine

PROBLEM: Sentence 1: People ride in a cart being pulled by a donkey. Sentence 2: A donkey pulls a cart with people in it.

SOLUTION:
a donkey is strapped to a vehicle with no people in it