Question: Fact 1: The number of rings in a tree trunk can be used to estimate the age of the tree. Fact 2: Age of Pine trees (AGE) in years. Given the two facts above, what unit of time can be estimated by the rings in a tree trunk?
OPTIONS:
- hours
- decades
- months
- H20
- Joules
- DNA
- years
- seasons
Answer: years

input with options: Fact 1: Fungi have special structures for penetrating a host. Fact 2: Fungi include yeasts, molds, and fleshy fungi. Given the two facts above, what has special structures for penetrating a host?
OPTIONS:
- blood
- water
- sunlight
- gills
- bacteria
- Oak
- yeasts
- parasites
output: yeasts

Q: Fact 1: The vanes rotating in an electric fan causes air to move. Fact 2: An electric fan makes 180 revolutions per minute. Given the two facts above, what with the vanes rotating causes air here to move?

OPTIONS:
- It reaches the dew point
- heat to cooler objects
- whale movement
- it flows to a lower level
- Earth's axis of rotation is tilted
- vanes on submarins
- Martian winds rotating.
- 180 revolutions per minute.

A: 180 revolutions per minute.

input: OPTIONS:
- roads
- Fuel cells
- solids
- fossilized animals
- power
- engines
- energy
- Electrical Now, answer this question: Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: Oil and gasoline are fossil fuels. Given the two facts above, fossil fuels are burned in many what?
A:
output: engines

Fact 1: Scraping oneself on a contaminated object may cause infection. Fact 2: An infection is an invasion of the body by bacteria. Given the two facts above, scraping oneself on an object that is what, may cause an invasion of the body by bacteria?

OPTIONS:
- unknown
- safe
- threatened
- harmful substances
- Pollution
- foreign
- barrel-shaped
- contaminated

Answer: contaminated

Q: Fact 1: Most amphibians breathe with gills as larvae and with lungs as adults. Fact 2: Salamanders are a type of amphibian. Given the two facts above, what breathes with gills as larvae and lungs as adults?

OPTIONS:
- salamanders
- animals
- respiration
- gastropod shells
- fish
- h2o
- insects
- it needs them

A:
salamanders