input with options: Fact 1: Biomass is the total mass of organisms at a trophic level. Fact 2: Producers make up the first trophic level, primary consumers the second, and so on. Given the two facts above, what is the total mass of primary consumers?
OPTIONS:
- Plants
- animals
- food
- Mountains
- Biomass
- decreases
- all matter
- Weight
output: Biomass

input with options: Fact 1: Sex hormones are chemical messengers that control sexual development and reproduction. Fact 2: Androgens are male sex hormones. Given the two facts above, what are chemical messengers that control sexual development and reproduction?
OPTIONS:
- acetic acid
- brains
- chemistry
- androgens
- photons
- people
- Most plants
- light energy
output: androgens

input with options: Fact 1: Lakes are formed by precipitation and runoff. Fact 2: For example, Lake Tahoe is a huge lake originating from mountain stream runoff. Given the two facts above, what does Lake Tahoe originate from?
OPTIONS:
- hydrogen and oxygen
- It's manmade
- An ocean
- tectonic plates coliding
- A hurricane
- A mountain stream
- Water expanding
- body water
output: A mountain stream

input with options: Fact 1: Healing requires rest. Fact 2: Rest can include sleep as well as sitting and resting. Given the two facts above, what requires sleep?
OPTIONS:
- amphibians
- athletes
- healing
- death
- bacteria
- dolphins
- rock
- humans
output:
healing