Q: Does "Germany is a federal republic consisting of sixteen federal states (German: Bundesland, or Land).[a]" provide a valid answer to "What are Hamburg and Berlin called?"?
A: no

Q: Does "Hence the name Mahayana (lit., the Great Vehicle)." provide a valid answer to "What does Mahayana mean?"?
A: yes

Q: Does "Currently the number speakers of Russian language in the world depends on the number of Russians in the world (as the main sources distribution Russian language) and total population Russia (where Russian is an official language)." provide a valid answer to "What does Arefyev say is happening to Russian?"?
A: no

Q: Does "In 5 of that book, Pearson asserted that "...science is in reality a classification and analysis of the contents of the mind...."" provide a valid answer to "In what year was the second edition of The Grammar of Science published?"?
A:
no