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.

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.
government

Sentence 1: sometimes i think i am going crazy trying to do it but Sentence 2: I worry about what people will think of me if I try to do it.
telephone

Sentence 1: They hobbled Ca'daan's horse, keeping it tied within the back of the tent to avoid theft. Sentence 2: Ca'daan's horse was tied within the back of the tent to prevent theft of his prize possessions.

fiction