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 girl runs through the water towards the seagulls. Sentence 2: The boy is riding a horse on the beach.

SOLUTION: A girls is at the beach.

PROBLEM: Sentence 1: A man tries a trick shot in a small bowling alley while his friend watches. Sentence 2: People are outside playing basketball.

SOLUTION: Some people are bowling.

PROBLEM: Sentence 1: A brown dog running after a red ball. Sentence 2: A dog sleeping next to a yellow ball.

SOLUTION:
a dog running after a ball.