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.
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Question: Sentence 1: However, cost models have significant limitations in accuracy unless their underlying assumptions of system size and cost drivers are carefully chosen and reflect the agency's previous experience in system development. Sentence 2: Cost models aren't usually too accurate, but sometimes they can be.

Answer: government


Question: Sentence 1: 'Because I think he's smarter than me.' Sentence 2: My dad is much smarter than me. 

Answer: fiction


Question: Sentence 1: The china department is huge, and the cosmetics, sportswear, and luggage sections are excellent. Sentence 2: Besides having a huge china department, the place also has huge silverware department.

Answer:
travel