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: An article reports that NATO eliminated only a fraction of the mobile targets it claimed were destroyed in Kosovo. Sentence 2: NATO routinely lies about their missions.
Example Output: slate

Example Input: Sentence 1: Should Clinton decide not to try, Beijing will react badly to what it will perceive as prevarication. Sentence 2: Beijing will react if Clinton does not try.
Example Output: slate

Example Input: Sentence 1: A unique feature of case studies is that data collection and analysis are concurrent. Sentence 2: Case studies always collect data before analysis.
Example Output:
government