Q: Does "Vostok 1 orbited the Earth for 108 minutes and made its reentry over the Soviet Union, with Gagarin ejecting from the spacecraft at 7,000 meters (23,000 ft), and landing by parachute." provide a valid answer to "How long did Yuri Gagarin orbit the earth in the spacecraft?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Subsequently Polish expatriates from Polish lands annexed by the Soviet Union as well as Ukrainians and Lemkos from southern Poland, expelled in Operation Vistula in 1947, were settled in the southern part of East Prussia, now the Polish Warmian-Masurian Voivodeship." provide a valid answer to "How much did the Ukrainians make up in population as a percentage in East Prussia?"?
OPTIONS:
- yes
- no
A: no

Q: Does "First recognized in 1900 by Max Planck, it was originally the proportionality constant between the minimal increment of energy, E, of a hypothetical electrically charged oscillator in a cavity that contained black body radiation, and the frequency, f, of its associated electromagnetic wave." provide a valid answer to "In what year was the value E associated by Einstein with quantum theories of energy?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Command and control is "the exercise of authority and direction by a properly designated commander over assigned and attached forces in the accomplishment of the mission." provide a valid answer to "Who is in charge of the Command and Control operations?"?
OPTIONS:
- yes
- no
A:
no