input with options: Fact 1: Amphibians have a relatively complex circulatory system with a three-chambered heart. Fact 2: Frogs have a three-chambered heart, consisting of two atria and a single ventricle. Given the two facts above, what group of animals do frogs belong to?
OPTIONS:
- four limbs
- animals
- fish
- warm-blooded
- reptiles
- Amphibians
- more abundant
- mammals
output: Amphibians

input with options: Fact 1: Eyes are used for seeing by animals by sensing light. Fact 2: Vision is out the eyes. Given the two facts above, what is used for seeing?
OPTIONS:
- feet
- smell
- fibers
- light
- radiation
- nose
- squids
- vision
output: vision

input with options: Fact 1: Birds are endothermic tetrapod vertebrates. Fact 2: Legs define Tetrapods. Given the two facts above, birds are vertebrate endotherms with what?
OPTIONS:
- fat
- Energy
- legs
- like some sharks
- Tail
- invertebrates
- arms
- four
output: legs

input with options: Fact 1: Mollusks are a major food source for other organisms, including humans. Fact 2: Mollusks filter the water as they look for food. Given the two facts above, members of a major food source for humans filter what?
OPTIONS:
- gills
- salmon
- matter
- water
- Air
- energy
- sodium
- Energy.
output:
water