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.

Sentence 1: Man in a black shirt walking down a large set of stairs. Sentence 2: A man in a white shirt is walking up the stairs.
A person in black is moving around

Sentence 1: Three men are smiling and posing behind a truck loaded with various construction supplies. Sentence 2: Three men are not smiling
Three men are smiling

Sentence 1: A little boy stands wide-legged, each foot on each side of the tube slide. Sentence 2: A little boy playing with his toys in his bedroom.

There is a child standing on a slide.