Problem: OPTIONS:
- nicotine
- exercise
- a chime
- Energy
- A computer
- sweating
- a doorbell
- acetic acid
Q: Fact 1: Caffeine is a central nervous system stimulant. Fact 2: Like caffeine, nicotine is a stimulant. Given the two facts above, what stimulates the central nervous system?
Answer: nicotine

Problem:OPTIONS:
- supersonic
- spiders
- humans
- Cars
- trains
- ants
- manatees
- skateboards

Fact 1: Migrants typically travel long distances. Fact 2: Manatees are a migrant species. Given the two facts above, what typically travel long distances?
****
A: manatees

Fact 1: Gases released during the use of fossil fuels causes global warming. Fact 2: Fossil fuels are coal, oil, and natural gas. Given the two facts above, what causes global warming?
OPTIONS:
- storms
- oil
- cars
- coal
- air
- wind
- carbon
- water
coal

Fact 1: Biodiversity increases the productivity and stability of ecosystems. Fact 2: Islands are delicately balanced ecosystems. Given the two facts above, biodiversity increases the what of islands?
OPTIONS:
- water source
- stability
- Plants growth
- our planet
- luminescence
- environment
- human population
- allow growth

Answer: stability

Question: Fact 1: Water vapor condensing in clouds causes rain. Fact 2: Condensing is a gas turning into a liquid. Given the two facts above, water vapor turning from a gas into a liquid causes what?
OPTIONS:
- sweat
- storms
- Drought
- heat
- cracks
- Hail
- Rain
- Snow
Answer: Rain

input: OPTIONS:
- cigarettes
- insects
- bacteria
- Most plants
- loose soil
- pollen
- mammals
- smallpox Now, answer this question: Fact 1: Viruses contain DNA but not much else. Fact 2: Some smallpox viruses are maintained in laboratories. Given the two facts above, what contains DNA but not much else?
A:
output:
smallpox