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: Today, office blocks and apartment buildings are of course constructed with modern materials. Sentence 2: In these modern times, unfortunately office blocks are constructed with no modern materials.
Example Output: travel

Example Input: Sentence 1: yeah because Dallas is a pretty big area we got i don't know a million people or a million and a half people or something Sentence 2: Dallas is a small town without many people.
Example Output: telephone

Example Input: Sentence 1: The movie has virtuoso  Bertolucci is one of the few filmmakers whose technique is simultaneously sweeping and probing. Sentence 2: There are only 3 other filmmakers currently using this technique.
Example Output:
slate