input with options: Fact 1: Balance is the ability to sense and maintain body position. Fact 2: Balance refers to the ability to maintain equilibrium and to remain in a stable, upright position. Given the two facts above, the ability to maintain equilibrium is the ability to sense and maintain what?
OPTIONS:
- body hair
- temperature
- movement
- body position
- body shape
- body integrity
- temperature changes
- kinetic energy
output: body position

input with options: Fact 1: Muscle contraction occurs when muscle fibers get shorter. Fact 2: Fibers are oriented diagonally across fiber. Given the two facts above, muscle contraction occurs when a diagonally oriented part of muscle gets what?
OPTIONS:
- shorter
- longer
- vertical
- decreases
- resistance
- muscles
- movement
- forces
output: shorter

input with options: Fact 1: Viruses contain DNA but not much else. Fact 2: DNA contains the genetic information for life. Given the two facts above, what contain the genetic information for life but not much else?
OPTIONS:
- plants
- barnacles
- parasites
- fungi
- alleles
- animals
- Viruses
- bacteria
output: Viruses

input with options: Fact 1: Plants use cellulose for their cell walls. Fact 2: Leaf blades contain cellulose and hemi-cellulose that are readily broken down by microbes. Given the two facts above, plants cell walls are readily broken down by what?
OPTIONS:
- Heavy rains
- heat energy
- acetic acid
- microbes
- fossil fuels
- heat
- bacteria
- chemicals
output:
microbes