question: classical chinese:ancient chinese
choices.label: A B C D
choices.text: linguistics:modern languages drama:ancient opera vernacular:modern chinese documents:ancient documents
explanation: the written form of "ancient chinese" is "classical chinese". "linguistics" includes "modern languages", and "modern languages" have no obvious logical relationship with "linguistics". "ancient opera" is a kind of "drama", and the written form of "ancient opera" is not "drama". the written form of "modern chinese" is "vernacular". "ancient documents" belong to "documents", and the written form of "ancient documents" is not "documents".
relation: drama ancient opera R2.2
relation: documents ancient documents R2.2