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: they're expensive to maintain just the chemicals are expensive Sentence 2: The chemicals are expensive, but much cheaper when bought in bulk.
Example Output: telephone

Example Input: Sentence 1: Traditionally, federal agencies have used the amount of money directed toward their programs, or the level of staff deployed, or even the number of tasks completed as some of the measures of their performance. Sentence 2: The federal agencies thus far has put the money towards their programs.
Example Output: government

Example Input: Sentence 1: Self-guided heritage walks and several nature trails are marked by black information plaques. Sentence 2: The heritage walks do not have any plaques to guide visitors.
Example Output:
travel