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: and Management of Scientific Studies in Natural Sentence 2: Natural science 
government

Sentence 1: The largest of the three, the Great Pyramid of Cheops is the only survivor of the Seven Wonders of the World described by Greek and Roman scholars. Sentence 2: The rest were destroyed in the Vampire Wars.
travel

Sentence 1: 'The basement door is hidden. Sentence 2: The basement door was a hidden trapdoor.

fiction