QUES: Q: What city did Winston Churchill bomb in retaliation for the killing of civilians?
A: This was a result of a rapid escalation starting on 24 August 1940, when night bombers aiming for RAF airfields drifted off course and accidentally destroyed several London homes, killing civilians, combined with the UK Prime Minister Winston Churchill's retaliatory bombing of Berlin on the following night.[clarification needed]
Does the answer answer the question?

ANS: yes

QUES: Q: What groups began to appear in northern Italy and southern France during the 11th century?
A: The first one was that of Bogomils in modern day Bosnia, a sort of sanctuary between Eastern and Western Christianity.
Does the answer answer the question?

ANS: no

QUES: Q: Why do incandescent lights have superior color rendering?
A: The color-rendering performance of incandescent lights cannot be matched by LEDs or fluorescent lights, although they can offer satisfactory performance for non-critical applications such as home lighting.
Does the answer answer the question?

ANS: no

QUES: Q: When was the first useful observation of Neptune from the ground?
A: Both the HST and AO telescopes on Earth has made many new discoveries within the Solar System since the mid-1990s, with a large increase in the number of known satellites and moons around the Outer Planets for example.
Does the answer answer the question?

ANS:
no