input with options: Q: What precious resource allows us to grow food as well as materials we turn into clothing and medicine? A:
OPTIONS:
- petroleum
- mercury
- gasoline
- soil
output: soil

input with options: Q: Isotopes have different number of these in their nuclei? A:
OPTIONS:
- protons
- electrons
- atoms
- neutrons
output: neutrons

input with options: Q: Like a house, your body has what kind of mechanism that responds to changes in temperature? A:
OPTIONS:
- external thermostat
- mechanical thermostat
- sensitive thermostat
- internal thermostat
output: internal thermostat

input with options: Q: What consequence of a tornado is responsible for most injuries and deaths? A:
OPTIONS:
- catching debris
- touring debris
- falling debris
- flying debris
output:
flying debris