QUES: Q: What trader turned author established a post on Tuvalu?
A: He then became a trader on Nukufetau.
Does the answer answer the question?

ANS: no

QUES: Q: When were samurai becoming less warrior-like?
A: During the Tokugawa shogunate, samurai increasingly became courtiers, bureaucrats, and administrators rather than warriors.
Does the answer answer the question?

ANS: yes

QUES: Q: What does retroviral coverage help prevent?
A: The prevalence of HIV-infection among the adult population is 1.8%.
Does the answer answer the question?

ANS: no

QUES: Q: What are "independent" theatre productions at Eton?
A: Numerous plays are put on every year at Eton College; there is one main theatre, called the Farrer (seating 400) and 2 Studio theatres, called the Caccia Studio and Empty Space (seating 90 and 80 respectively).
Does the answer answer the question?

ANS:
no