input with options: Fact 1: Amphibians are the first true tetrapods, or vertebrates with four limbs. Fact 2: Animals with backbones are called vertebrates. Given the two facts above, amphibians are the first true what with four limbs?
OPTIONS:
- members of their own species
- to move people
- warm-blooded
- Due to their feet
- animals with backbones
- remains of prehistoric life
- Something to move
- Generating heat
output: animals with backbones

input with options: Fact 1: Evolution is a change in the characteristics of living things over time. Fact 2: Evolution relies on random chance acts to cause mutations. Given the two facts above, what causes changes in characteristics of living things over time?
OPTIONS:
- mutations
- science
- parents
- environment
- light energy
- news
- alleles
- animals
output: mutations

input with options: Fact 1: Cancer cells divide more often than normal cells, and grow out of control. Fact 2: Cancer cells are abnormal and divide without control or order. Given the two facts above, what kind of cells are abnormal?
OPTIONS:
- nuclear
- kidney
- cell wall
- dangerous
- white
- parasites
- negative
- cancer
output: cancer

input with options: Fact 1: Humans have collected and grown mushrooms for food for thousands of years. Fact 2: Edible mushrooms have been used by various cultures for centuries as a food. Given the two facts above, what types of mushrooms have humans collected for thousands of years?
OPTIONS:
- ferns
- Hallucinogenic
- protected
- Dirty
- gills
- made
- Dried
- Edible
output:
Edible