Problem: OPTIONS:
- plants
- starfish
- trout
- planets
- trees
- ice
- bears
- clouds
Q: Fact 1: If a living thing becomes too cold then that living thing will die. Fact 2: Plants are also the oldest living things. Given the two facts above, what dies if it becomes too cold?
Answer: plants

Problem:OPTIONS:
- force
- violence
- immunization
- food and shelter
- sensory neurons
- kinetic energy
- heat energy
- beatings

Fact 1: Immunity results from immunization. Fact 2: Results can be damaging or disastrous. Given the two facts above, lack of what can be damaging or disastrous?
****
A: immunization

Fact 1: Pressure receptors are found mainly in the skin. Fact 2: All pain receptors are free nerve endings. Given the two facts above, what are found in skin?
OPTIONS:
- cell walls
- parasites
- dust
- layers of fat
- Veins and arteries.
- free nerve endings
- it keeps an organism warm
- ice
free nerve endings

Fact 1: Erosion causes a river to become deeper and wider. Fact 2: Weathering and erosion continue to shape it today. Given the two facts above, weathering causes what to become deeper and wider?
OPTIONS:
- a landslide
- Sediment
- a mountain
- a volcano
- soils
- rock
- flooding
- a river

Answer: a river

Question: Fact 1: Loud noises can cause animals to startle. Fact 2: Thunder, however, is more than a simple, loud explosive sound following a lightning bolt. Given the two facts above, thunder can do what to animals?
OPTIONS:
- decrease stamina
- It gets heated up
- remove fur
- kill them
- lengthen tails
- protect them
- startle them
- improve digestion
Answer: startle them

input: OPTIONS:
- influenza
- chickenpox
- A rodent
- A primate
- A treeshrew
- fur and fat
- A flying lemur
- an object Now, answer this question: Fact 1: Threatening behavior by predators causes a porcupine to extend its quills. Fact 2: Porcupines are in the rodent family. Given the two facts above, what extends something because of threatening behavior by predators?
A:
output:
A rodent