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: The waters around the coast are some of the clearest in the world and the depths are filled with amazing coral and many species of fish and other marine creatures. Sentence 2: The waters contain absolutely no marine creatures at all.
Example Output: travel

Example Input: Sentence 1: But everyone else around here seems quite excited about it. Sentence 2: The girl in the corner is the only person who is not looking forward to it.
Example Output: slate

Example Input: Sentence 1: On balance, I think our system of paying for opera is more rational. Sentence 2: They agreed that the rock concert payment system was much more complicated.
Example Output:
slate