QUES: Q: What was Whitehead's wife's name?
A: Whitehead himself recalled both of them as being very successful schoolmasters, but that his grandfather was the more extraordinary man.
Does the answer answer the question?

ANS: no

QUES: Q: What are two of the large non-state run research institutions in Portugal?
A: Among the largest non-state-run research institutions in Portugal are the Instituto Gulbenkian de Ciencia and the Champalimaud Foundation, a neuroscience and oncology research centre, which in addition awards every year one of the highest monetary prizes of any science prize in the world.
Does the answer answer the question?

ANS: yes

QUES: Q: What is the name of the standard related to the materials used in solar water heaters?
A: For example, ISO 9050 relates to glass in building while ISO 10217 relates to the materials used in solar water heaters.
Does the answer answer the question?

ANS: yes

QUES: Q: How did the attackers kill themselves?
A: Ten months later, 13 November 2015, came a series of coordinated terrorist attacks in Paris and Saint-Denis claimed by the 'Islamic state' organisation ISIL ('Daesh', ISIS); 130 people were killed by gunfire and bombs, and more than 350 were injured.
Does the answer answer the question?

ANS:
no