QUES: Q: WHen did the Piast dynasty appear?
A: The prior social structure was one of Polish tribes united into the historic Polish nation under a state ruled by the Piast dynasty, this dynasty appearing circa 850 A.D.
Does the answer answer the question?

ANS: yes

QUES: Q: When did most of the Eastward sector of the Roman expanse choose to have a rebirth of Greek traditions and appreciations ?
A: Since its inception, Hellenism was primarily a matter of common culture and the national continuity of the Greek world is a lot more certain than its demographic.
Does the answer answer the question?

ANS: no

QUES: Q: How did return current effect water and gas in iron pipes?
A: The problem was exacerbated because the return current also had a tendency to flow through nearby iron pipes forming the water and gas mains.
Does the answer answer the question?

ANS: yes

QUES: Q: Who is the physician of the Gods in the Iliad?
A: He did not have a separate cult, but he was the personification of the holy magic-song sung by the magicians that was supposed to cure disease.
Does the answer answer the question?

ANS:
no