In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to write a single word that describes the genre that the two sentences belong to, such as face-to-face, government, letters, 9/11, slate, telephone, travel, verbatim, oup, fiction.

Input: Consider Input: Sentence 1: It's also important to take the rarefied atmosphere into account when exercising. Sentence 2: The rarefied atmosphere makes exercising extremely hard unless properly trained.

Output: travel


Input: Consider Input: Sentence 1: and they fail to realize that the formula is expressed in the the rationalized M K F system and they'll proceed to plug in inches and feet and pounds and uh  things like that and they come up with a funniest answers you ever you can imagine Sentence 2: They always immediately realize that the formula is being expressed in the M K F system.

Output: telephone


Input: Consider Input: Sentence 1: Christianity threatened the establishment because it rejected the old gods and denied the divinity of the emperor. Sentence 2: The threat of Christianity was the greatest one the empire has ever faced.


Output: travel