Problem: Text: Fairchild Air Force Base (AFB) (IATA: SKA, ICAO: KSKA, FAA LID: SKA) is a United States Air Force base, located approximately twelve miles (20 km) southwest of Spokane, Washington.

Question: is there a military base in spokane wa?

OPTIONS:
- no
- yes
A: yes

Problem: Text: Doctor is an academic title that originates from the Latin word of the same spelling and meaning. The word is originally an agentive noun of the Latin verb docere (dker) 'to teach'. It has been used as an academic title in Europe since the 13th century, when the first Doctorates were awarded at the University of Bologna and the University of Paris. Having become established in European universities, this usage spread around the world. Contracted ''Dr'' or ''Dr.'', it is used as a designation for a person who has obtained a Doctorate (e.g. PhD). In many parts of the world it is also used by medical practitioners, regardless of whether or not they hold a doctoral-level degree.

Question: do you have to call a phd a doctor?

OPTIONS:
- no
- yes
A: yes

Problem: Text: Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na) through a cell's plasma membrane. They are classified according to the trigger that opens the channel for such ions, i.e. either a voltage-change (''Voltage-gated'', ''voltage-sensitive'', or ''voltage-dependent'' sodium channel also called ''VGSCs'' or ''Nav channel'') or a binding of a substance (a ligand) to the channel (ligand-gated sodium channels).

Question: are voltage-gated sodium channels always open?

OPTIONS:
- no
- yes
A:
no