TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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 child is sitting on a couch with a ripped cushion. Sentence 2: child playing basketball on court

SOLUTION: child sits on couch

PROBLEM: Sentence 1: A little white and brown dog runs through brown grass. Sentence 2: A big black dog is catching a bone.

SOLUTION: A dog is outside.

PROBLEM: Sentence 1: A brown dog runs with a stick in its mouth and a black dog follows. Sentence 2: The dog has nothing in it's mouth.

SOLUTION:
The dog has something in it's mouth.