QUES: Q: In what year did the space shuttle Challenger explode after launch?
A: In the late 1980s, the city's economy suffered from the nationwide recession.
Does the answer answer the question?

ANS: no

QUES: Q: Radars, command posts and other such things are usually mounted on what?
A: Even the larger systems tend to be mounted on trailers and are designed to be fairly quickly broken down or set up.
Does the answer answer the question?

ANS: no

QUES: Q: What was Gaddafi's coup called?
A: Gaddafi's Free Officers recognized this as their chance to overthrow the monarchy, initiating "Operation Jerusalem".
Does the answer answer the question?

ANS: yes

QUES: Q: Prior to the 1954 elections, who had majorities in Congress?
A: As the 1954 congressional elections approached, and it became evident that the Republicans were in danger of losing their thin majority in both houses, Eisenhower was among those blaming the Old Guard for the losses, and took up the charge to stop suspected efforts by the right wing to take control of the GOP.
Does the answer answer the question?

ANS:
yes