input with options: Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: All echinoderms are deuterostomes . Given the two facts above, some what lack respiratory systems?
OPTIONS:
- Smoking
- respiratory systems
- deuterostomes
- cigarettes
- alpacas
- hawks
- barnacles
- pigs
output: deuterostomes

input with options: Fact 1: Photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves. Fact 2: Water is released by the processes of photosynthesis and respiration. Given the two facts above, what is released by energy conversion?
OPTIONS:
- photons
- waves
- A drug.
- Light
- oxygen
- heat
- water
- energy
output: water

input with options: Fact 1: Increasing heat causes thermal expansion. Fact 2: Heating by direct heat is usually too hot. Given the two facts above, what causes thermal expansion?
OPTIONS:
- Electrical energy
- energy of moving objects
- making an object hot
- cooling an object
- freezing an object
- chemical reaction
- global warming
- stretching an object
output: making an object hot

input with options: Fact 1: Waxy leaves are used for storing water by some plants. Fact 2: Plants have many adaptations for conserving water or storing it. Given the two facts above, what do some plants use waxy leaves for?
OPTIONS:
- staying warm
- petals
- nutrients
- Chemical energy
- Exfoliation
- carbon monoxide
- water conservation
- water evaporation
output:
water conservation