input with options: Fact 1: Bacteria cause food to spoil. Fact 2: Water can be tested for coliform and fecal coliform bacteria. Given the two facts above, what causes food to spoil?
OPTIONS:
- contamination
- influenza
- coliforms
- toxins
- disease
- Dehydration
- Pollution
- Pesticides
output: coliforms

input with options: Fact 1: When an animal moves , chemical energy is converted to mechanical energy. Fact 2: Kinetic energy in starch is converted into chemical energy in the muscles. Given the two facts above, when an animal moves , kinetic energy in starch is converted to ?
OPTIONS:
- adding heat
- Temperature
- organic molecules
- Organic compounds
- mechanical waves
- cellulose
- hydrogen and oxygen
- mechanical energy
output: mechanical energy

input with options: Fact 1: Cartilage is a tough tissue that contains a protein called collagen. Fact 2: Sharks have a cartilage skeleton. Given the two facts above, what has skeleton made of tough tissue that contains a protein called collagen?
OPTIONS:
- mammals
- rocks
- animals
- sharks
- a fish
- cows
- humans
- plants
output: sharks

input with options: Fact 1: Cross-pollination increases genetic diversity. Fact 2: Evolution requires genetic diversity. Given the two facts above, cross-pollination increases?
OPTIONS:
- flowers
- Reproduction
- seeds
- gene flow
- growth
- evolution
- pollen
- traits
output:
evolution