input with options: Fact 1: Trees have woody stems covered with bark. Fact 2: Bark on mature trees runs 6 to 12 inches thick, insulating the tree against fire damage. Given the two facts above, what do trees have that insulates?
OPTIONS:
- hats
- looseness
- dogs
- woody stems
- food and shelter
- cells
- storing water
- In their leaves
output: woody stems

Q: Fact 1: Some parasites kill their host, but most do not. Fact 2: Killing means death. Given the two facts above, what do some parasites do to their hosts?

OPTIONS:
- Move to another area
- harm them
- leeches
- Damages them
- impregnate
- cause their death
- They may not survive.
- ticks

A: cause their death

input: OPTIONS:
- Destroy crops
- a lot of human deaths
- Plant growth is reduced
- destroying life
- forest is destroyed
- opportunistic infections
- death and devastation
- negative impact Now, answer this question: Fact 1: Pneumonia may be caused by an infection or injury of the lungs. Fact 2: Opportunistic infections, such as Pneumocystis carinii pneumonia, begin to occur. Given the two facts above, after an infection or injury to the lung, what can happen?
A:
output: opportunistic infections

Fact 1: Asandbar is formed by water moving sediment downstream. Fact 2: Sandbars are preferred nesting habitat. Given the two facts above, what type of habitat can be formed by sediment moved downstream by water?

OPTIONS:
- watershred
- caves
- desert
- coral reef
- savannah
- streams
- loose soil
- nesting

Answer: nesting

Problem: OPTIONS:
- a solute
- nucleus
- an object
- iron
- sugar
- dormant
- inactive
- an ion
Q: Fact 1: If a neutral atom loses an electron then an atom with a negative charge will be formed. Fact 2: Ions are atoms or groups of atoms that carry a positive or negative electrical charge. Given the two facts above, a neutral atom that loses an electron becomes what?
Answer: an ion

Fact 1: Aswitch is used to start the flow of current in an electrical circuit. Fact 2: Electricity flows when a circuit is complete. Given the two facts above, what is a purpose of a switch in an electrical circuit?

OPTIONS:
- to reduce magnetic effects
- heat production
- to annihilate electrons
- preventing heat transfer
- direct energy
- to complete the circuit
- heat is produced
- to circumvent resistors

Answer:
to complete the circuit