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.

[Q]: Sentence 1: A white dog that is muddy walks across the green grass. Sentence 2: A cat walks across green, healthy grass.
[A]: A dirty dog treks through grass.

[Q]: Sentence 1: A firefighter wearing a hard hat, carrying a tank on his back stands behind another man who is reaching in behind a fire hose in a metal cabinet. Sentence 2: A firefighter wearing a hard hat, carrying a tank on his back stands behind another man who is reaching in behind a fire hose in a wooden cabinet.
[A]: A firefighter is standing next to a fire house.

[Q]: Sentence 1: A young woman in a white mini-skirt and a red t-shirt is playing tennis. Sentence 2: The man scored a touchdown in tennis.
[A]:
a woman is playing tennis.