input: OPTIONS:
- Spruce
- artificial sweetener
- aging
- wetland
- fake purses
- wind
- imitation crab
- Light Now, answer this question: Fact 1: Aging is associated with the death of cells. Fact 2: Cell death is natural. Given the two facts above, what is natural?
A:
output: aging

Fact 1: If a habitat can no longer support animals then those animals will move to another area. Fact 2: Relocation requires moving a family and a lifestyle. Given the two facts above, if a habitat can no longer support animals then what is required?

OPTIONS:
- burrowing
- energy
- expulsion
- Energy.
- animal behavior
- relocation
- fossil fuels
- kinetic energy

Answer: relocation

Problem: OPTIONS:
- Pollution
- nitric oxide
- smoking
- steroids
- Pesticides
- pollen
- hormones
- hydrogen peroxide
Q: Fact 1: Smoking causes direct damage to the lungs. Fact 2: With emphysema, there is permanent lung damage in the alveoli. Given the two facts above, emphysema can be caused by?
Answer: smoking

Problem:OPTIONS:
- helps a species to thrive
- Something that take eight minutes to travel to the Earth
- several different ways
- Changing the angle of the sun
- chemical compound NaCl
- just about everywhere on Earth
- keeping food fresh for long periods of time
- Something that moves in an elliptical orbit

Fact 1: Aplanet rotating causes cycles of day and night on that planet. Fact 2: Planets move in elliptical orbits. Given the two facts above, when what rotates are cycles of day and night created?
****
A: Something that moves in an elliptical orbit

Fact 1: HIV infects and destroys helper T cells. Fact 2: Aids is the end stage of HIV infection. Given the two facts above, what infects and destroys helper T cells?
OPTIONS:
- fungus
- memory cells
- anemia
- AIDS
- CO 2
- bacteria
- Wasps
- blood
AIDS

Fact 1: Producers make food from inorganic molecules. Fact 2: Decomposition is the breakdown of organic molecules into inorganic molecules. Given the two facts above, what helps producers make food?
OPTIONS:
- Decomposition.
- heat energy
- honeybees
- Chemical energy
- Electrical energy
- animals
- an electric stove
- Power plants

Answer:
Decomposition.