Problem: OPTIONS:
- all invertebrates
- humans
- bacteria
- alveoli
- acetic acid
- orchids
- smallpox
- planets
Q: Fact 1: Viruses are so small that they can be seen only with an electron microscope. Fact 2: Some smallpox viruses are maintained in laboratories. Given the two facts above, what is so small it can be seen only with an electron microscope?
Answer: smallpox

Problem:OPTIONS:
- smallpox
- backpack
- guide dog
- influenza
- protective gear
- cigarettes
- smoking
- cell phones

Fact 1: Using cell phones can cause people to become distracted. Fact 2: People who are distracted are hazards. Given the two facts above, what is something that can be hazardous to use in public?
****
A: cell phones

Fact 1: Amphibians have permeable skin that easily absorbs substances from the environment. Fact 2: All frogs are amphibians. Given the two facts above, what feature allows frogs to absorb substances from the environment?
OPTIONS:
- four limbs
- poison dart frog
- hydrate their cells
- permeable skin
- layers of fat
- a cuticle
- predators
- double eyelid
permeable skin

Fact 1: Aggression is behavior that is intended to cause harm or pain. Fact 2: If it jumps, bites and growls, it is aggressive. Given the two facts above, an animal jumps, bites and growls to cause what?
OPTIONS:
- hunger
- eat
- force
- harm
- relief
- damage
- death
- charge

Answer: harm

Question: Fact 1: Heating salt water causes the water to evaporate while the salt remains. Fact 2: Flash evaporators are used to make fresh water from salt water. Given the two facts above, doing what to salt water causes the water to become fresh water?
OPTIONS:
- watershred
- freezing
- Regrows it
- migrate
- pouring
- heating
- cooling
- erosion
Answer: heating

input: OPTIONS:
- sulfate particles
- enormous damage to homes
- massive damage
- too much air
- Dehydration
- electromagnetic radiation
- choking on food
- influenza Now, answer this question: Fact 1: Abreathing mask is used for keeping harmful particles from entering the respiratory system. Fact 2: Sulfate particles irritate the lower respiratory system. Given the two facts above, what is one thing a breathing mask can protect you from?
A:
output:
sulfate particles