Q: 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: It is advisable to provide a preconditioned (deionized) feed water by using a Culligana, Continentala, or equivalent system in front of the MILLIPOREa System to extend the life of the MILLIPOREa cartridges (see Section 5, Facilities, Equipment, and Supplies). Sentence 2: It's impossible to use anything other than Culligana to extend the life of MILLIPOREa cartridges.
A:
government