input with options: Fact 1: Mating is generally preceded by courtship. Fact 2: Normally, however, insect pheromones function to attract mates for reproduction. Given the two facts above, what uses pheromones for courtship?
OPTIONS:
- bears
- insects
- fur seals
- phytoplankton
- bacteria
- viruses
- mammals
- bees
output: insects

input with options: Fact 1: Sweat wets the skin, and when it evaporates, it cools the body. Fact 2: Fig 4-23 sweat contains water, salt, lactic acid, vit. Given the two facts above, what cools the body?
OPTIONS:
- evaporation
- Putting heat on it
- Movement of an air mass
- Starting a fire
- Evaporation of alcohol
- Evaporation of water
- vaporization
- reduced heat
output: Evaporation of water

input with options: Fact 1: Cells are organized into tissues, and tissues form organs. Fact 2: Stem cells are cells that can become many tissues and organs. Given the two facts above, what do stem cells form?
OPTIONS:
- embryos
- alveoli
- Grow well
- PDAs
- alleles
- Organs
- grow
- fusion
output: Organs

input with options: Fact 1: Energy is used for heating a building by a heating system. Fact 2: Solar energy is the energy in the sun's rays. Given the two facts above, what can be used for heating a building by a heating system?
OPTIONS:
- the Sun's rays
- peachleaf willow
- engines
- oxygen
- photosynthesis
- photons
- air
- hydrogen and oxygen
output:
the Sun's rays