Q: Does "At this time, the system could provide positioning data between longitude 55E to 180E and from latitude 55S to 55N." provide a valid answer to "When did the BeiDou-2 system start offering services?"?
A: no

Q: Does "Gaddafi was infuriated that Egypt had not done more to prevent the incident, and in retaliation planned to destroy the RMS Queen Elizabeth 2, a British ship chartered by American Jews to sail to Haifa for Israel's 25th anniversary." provide a valid answer to "What nation's military destroyed Libyan Arab Airlines Flight 114?"?
A: no

Q: Does "The First Crusade was proclaimed by Pope Urban II (pope 108899) at the Council of Clermont in 1095 in response to a request from the Byzantine Emperor Alexios I Komnenos (r. 10811118) for aid against further Muslim advances." provide a valid answer to "At what gathering was the First Crusade preached?"?
A: yes

Q: Does "In Medieval Europe oak was the wood of choice for all wood construction, including beams, walls, doors, and floors." provide a valid answer to "For modern solid wood doors, what wood is often used in addition to small-knotted pine or poplar?"?
A:
no