TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2. Sentence 2 contradicts sentence 1. Your job is to alter sentence 2 so that the pair neither agree nor 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 little white and tan dog running through the grass with a stick in his mouth. Sentence 2: The dog was slowly limping while carrying a stick in his mouth.

SOLUTION: The dog was running to return the stick to his owner.

PROBLEM: Sentence 1: A little boy crying on an old man's lap as the old man holds a present. Sentence 2: The little boy and his grandfather are at a carnival playing games.

SOLUTION: Young Timmy is upset about his birthday, and his grandfather is trying to cheer him up with a present.

PROBLEM: Sentence 1: A brown dog is on the green grass. Sentence 2: A dog swims in the lake.

SOLUTION:
A dog sits in the grass.