[Q]: Those searches have not found stockpiles of chemical and biological weapons or significant evidence of a nuclear weapons program .

Alleged stockpiles of chemical and biological weapons have not turned up , nor has significant evidence of a nuclear-weapons program .
****
[A]: yes

[Q]: Two Americans killed in a recent ambush in Afghanistan were contract employees of the CIA , the agency said Tuesday .

Two CIA operatives have been killed in an ambush in Afghanistan , the CIA said yesterday .
****
[A]: yes

[Q]: Malvo 's attorneys mounted an insanity defense , arguing that Muhammad 's indoctrination left him unable to tell right from wrong .

Malvo 's lawyers have presented an insanity defense , saying brainwashing by convicted sniper John Allen Muhammad left Malvo incapable of knowing right from wrong .
****
[A]: yes

[Q]: In recent years , he served on the faculty of the Manhattan School of Music .

Mr. Istomin was on the piano faculty of the Manhattan School of Music and participated in Professional Training Workshops at Carnegie Hall .
****
[A]:
no