QUES: Q: When did Beyonce introduce Sasha Fierce?
A: Sasha Fierce.
Does the answer answer the question?

ANS: no

QUES: Q: Which season of American Idol was watched by the most people?
A: By season four, American Idol had become the most watched series amongst all viewers on American TV for the first time, with an average viewership of 26.8 million.
Does the answer answer the question?

ANS: no

QUES: Q: Where is the GDP of Thuringia?
A: The GDP of Thuringia is below the national average, in line with the other former East German Lands.
Does the answer answer the question?

ANS: yes

QUES: Q: ZnO can be dissolved in what kind of solutions?
A: Of the four halides, ZnF_2 has the most ionic character, whereas the others (ZnCl_2, ZnBr_2, and ZnI_2) have relatively low melting points and are considered to have more covalent character.
Does the answer answer the question?

ANS:
no