QUES: Q: How long is the total railway system in Portugal?
A: A national railway system that extends throughout the country and into Spain, is supported and administered by Comboios de Portugal.
Does the answer answer the question?

ANS: no

QUES: Q: Similar tianguis might set up shop where?
A: In addition, food and goods are sold from people walking with baskets, pushing carts, from bicycles or the backs of trucks, or simply from a tarp or cloth laid on the ground.
Does the answer answer the question?

ANS: no

QUES: Q: Who was responsible for the 2011 Norway attacks?
A: Later the perpetrator was revealed to be Anders Behring Breivik, a Norwegian nationalist.
Does the answer answer the question?

ANS: yes

QUES: Q: What is the wavelength of light to which human eyes are most sensitive?
A: 3.581019 J. That is a very small amount of energy in terms of everyday experience, but everyday experience is not concerned with individual photons any more than with individual atoms or molecules.
Does the answer answer the question?

ANS:
no