input with options: Q: Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this? A:
OPTIONS:
- esophagus
- trachea
- larynx
- pharynx
output: pharynx

input with options: Q: Momentum is a vector quantity that has the same direction as what? A:
OPTIONS:
- object energy
- initial speed
- inertia
- object ' s velocity
output: object ' s velocity

input with options: Q: What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both? A:
OPTIONS:
- devoid
- obscene
- artificial
- opaque
output: opaque

input with options: Q: The galapagos islands are a group of 16 volcanic islands 600 miles off the west coast of what continent? A:
OPTIONS:
- north america
- europe
- asia
- south america
output:
south america