input: OPTIONS:
- taste
- arrange their nest
- noise
- measure prey length
- smell the color of organs
- snort
- breathe
- vibrate Now, answer this question: Fact 1: Amphibians have sense organs to smell and taste chemicals. Fact 2: Lizards use their tongues as sense organs. Given the two facts above, what are lizards able to use their tongues to do?
A:
output: taste

input: OPTIONS:
- to stay warm
- mammals
- fur and fat
- animals
- protect them
- Most plants
- Antibodies
- Chemical energy Now, answer this question: Fact 1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens. Fact 2: Allergens are also called Antigens. Given the two facts above, _ bind to allergens.?
A:
output: Antibodies

input: OPTIONS:
- Carbon monoxide
- Energy.
- Bacteria
- Chemical energy
- matter vibrating
- Carbon dioxide
- Veins and arteries.
- Water Now, answer this question: Fact 1: Veins generally carry deoxygenated blood. Fact 2: Deoxygenated blood is heavy with carbon dioxide. Given the two facts above, what is blood heavy with?
A:
output:
Carbon dioxide