Does "Presently over half of Europe's territory is inhabited by Slavic-speaking communities, but every Slavic ethnicity has emigrated to other continents." contain the correct answer to "Slavic mercenaries settled where?"
OPTIONS:
- yes
- no

A: no

Does "Together with the clergy and Receiver General and Chapter Clerk, various lay officers constitute the college, including the Organist and Master of the Choristers, the Registrar, the Auditor, the Legal Secretary, the Surveyor of the Fabric, the Head Master of the choir school, the Keeper of the Muniments and the Clerk of the Works, as well as 12 lay vicars, 10 choristers and the High Steward and High Bailiff." contain the correct answer to "How many lay vicars are there?"
OPTIONS:
- yes
- no

A: yes

Does "These are the Book on Numbers and Computation, the Arithmetical Classic of the Gnomon and the Circular Paths of Heaven and the Nine Chapters on the Mathematical Art." contain the correct answer to "What achievement of the Han era can be used to help solve linear equations?"
OPTIONS:
- yes
- no

A:
no