Problem: OPTIONS:
- down
- scuba diving
- soils
- pastureland
- canyon
- driving
- Mountains
- mines
Q: You are presented with the quiz "Where can one readily see the geologic history of an area?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most canyons are formed by flowing rivers through erosion over long periods of time" and "striations in rock forms are seen along the river and tell the geologic history of the area". So, what's the best answer to the question?
Answer: canyon
Problem:OPTIONS:
- scarce resources
- patience
- deforestation
- testing
- science
- lumberjacks
- Energy.
- carbon dioxide

You are presented with the quiz "Creating wood-free paper does not require what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "creating wood-free paper does not require cutting down trees" and "for that, the player needs lumberjacks to cut down the trees". So, what's the best answer to the question?
****
A: lumberjacks
You are presented with the quiz "What are used to produce energy by burning?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "coal is used to produce electricity by burning in coal-fire power stations" and "like coal, petroleum is a fossil fuel". So, what's the best answer to the question?
OPTIONS:
- fossil fuels
- cigarettes
- organic molecules
- Firecrackers
- carbon dioxide
- atoms
- dust
- batteries
fossil fuels
You are presented with the quiz "What is the liquid portion of the blood formed by?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plasma is formed by electrons separating from atoms in stars" and "plasma Is the liquid portion of the blood". So, what's the best answer to the question?
OPTIONS:
- Evaporation of water
- basic building blocks of life
- flow of electrons
- Veins and arteries.
- electrons separatin from atoms
- Something made from fermented ricce
- circulatory systems
- heat production

Answer: electrons separatin from atoms
Question: You are presented with the quiz "What does an animal require to grow and heal?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal requires nutrients to grow and heal" and "foods contain nutrients that provide people with necessary energy and essential nutrients". So, what's the best answer to the question?
OPTIONS:
- pH
- food
- fats
- bamboo
- death
- sodium
- lies
- jealousy
Answer: food
input: OPTIONS:
- ear canal
- colors of the spectrum
- movement of tectonic plates
- inner ear problems
- energy of moving objects
- ear wax buildup
- pierced ears
- Electrical energy Now, answer this question: You are presented with the quiz "What can affect ability to sense and maintain body position?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "balance is the ability to sense and maintain body position" and "inner ear problems can affect balance". So, what's the best answer to the question?
A:
output:
inner ear problems