QUES: Q: What helps reduce resource usage?
A: Data compression is subject to a spacetime complexity trade-off.
Does the answer answer the question?

ANS: no

QUES: Q: What did the NAS Bermuda offer once designated Annex?
A: It provided optional anchorage and/or dockage facilities for transiting US Navy, US Coast Guard and NATO vessels, depending on size.
Does the answer answer the question?

ANS: yes

QUES: Q: In what year did Eisenhower die?
A: After Eisenhower's death in 1969 (see below), an autopsy unexpectedly revealed an adrenal pheochromocytoma, a benign adrenaline-secreting tumor that may have made the President more vulnerable to heart disease.
Does the answer answer the question?

ANS: yes

QUES: Q: Who caused the fall of the monarchy happened in Brazil?
A: Aided by well-known jurist Ruy Barbosa, Fonseca established federalism in Brazil by decree, but this system of government would be confirmed by every Brazilian constitution since 1891, although some of them would distort some of the federalist principles.
Does the answer answer the question?

ANS:
no