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.

Example Input: Sentence 1: A half-hour tour costs HK$50; pay at the end, or the driver may cut your trip short. Sentence 2: If you pay first, the driver may not give you the full tour.  
Example Output: travel

Example Input: Sentence 1: hi Rick how you doing Sentence 2: Hi Bob, how is it you know me?
Example Output: telephone

Example Input: Sentence 1: it's probably a a very good way to keep them off the streets and out of trouble but whether it's something that they can put to to economic use later on is a different subject Sentence 2: They may be economically beneficial in the future.
Example Output:
telephone