input with options: Fact 1: If gas is heated then that gas will expand. Fact 2: Nitrogen gas is the most abundant gas in the atmosphere. Given the two facts above, what will expand when heated?
OPTIONS:
- gravity
- density
- a prism
- nitrogen
- mass
- water vapor
- arteries
- glass
output: nitrogen

input with options: Fact 1: Hormones control many cell activities, so they are very important for homeostasis. Fact 2: Homeostasis is the chemical equilibrium of the body. Given the two facts above, hormones control many cell activities and are important to what?
OPTIONS:
- h2o
- an organism's body
- weather
- increases a body's strength
- production of energy
- Transfers energy
- maintaining density
- chemical equilibrium of body
output: chemical equilibrium of body

input with options: Fact 1: Introns are regions that do not code for proteins. Fact 2: Prokaryotes lack introns, whereas eukaryotes contain introns. Given the two facts above, what lacks regions that do not code for proteins?
OPTIONS:
- prokaryotes
- human cells
- peachleaf willow
- graptolites
- barnacles
- plant cells
- eukaryotes
- gastropod shells
output: prokaryotes

input with options: Fact 1: Better senses have a positive impact on an animal 's survival. Fact 2: An important aspect of survival for any species is reproduction . Given the two facts above, better senses have a positive impact on an animal 's?
OPTIONS:
- sensory neurons
- Sand dollars
- organs
- genetic diversity
- growth
- food and shelter
- kinetic energy
- reproduction
output:
reproduction