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 black woman with a scarf on her head stands on a sidewalk, smiling. Sentence 2: White woman with a bare head sitting on a sidewalk, frowning.

SOLUTION: Person standing and smiling.

PROBLEM: Sentence 1: A man in black leather pants is holding something in his hand over the water, while standing on a bridge. Sentence 2: A man in blue jeans is on top of a bridge holding nothing in his hands.

SOLUTION: A man dressed in black is on top of a bridge.

PROBLEM: Sentence 1: A young boy and girl play together in the sand. Sentence 2: Adults have fun on a boat in the middle of the lake.

SOLUTION:
A boy and a girl are playing together in the sand.