input: OPTIONS:
- consumer-grade invisibility
- animal transport
- flow of electrons
- electromagnetic energy
- A transportation fuel
- magic
- relationships to last distance
- instant transfer of matter Now, answer this question: You are presented with the quiz "What do telephones allow?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "atelephone is used for communication by humans over long distances" and "communication is essential if a relationship is to last the distance". So, what's the best answer to the question?
A:
output: relationships to last distance
You are presented with the quiz "What is used to produce electricity by burning?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "biofuel is used to produce electricity by burning" and "wood and straw are both examples of biofuels". So, what's the best answer to the question?

OPTIONS:
- carbon
- Oak
- light
- coal
- fish
- food
- wood
- oil

Answer: wood
Problem: OPTIONS:
- Enzymes
- corn
- cake
- Glucose
- salt
- stirring
- lipids
- honey
Q: You are presented with the quiz "what causes food to taste sweet?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sugar causes food to taste sweet" and "honey is made up of a natural sugar". So, what's the best answer to the question?
Answer: honey
Problem:OPTIONS:
- Sediment
- diamonds
- water
- precious metals
- oil
- Calcium carbonate
- graptolites
- hydrogen and oxygen

You are presented with the quiz "igneous intrusion causes vein deposits of what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "vein deposits of gold and silver are formed by igneous intrusion" and "along with gold and silver, they are known as precious or noble metals". So, what's the best answer to the question?
****
A: precious metals
You are presented with the quiz "Muscle and internal organs are protected by:" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "bone provides protection for soft tissues and internal organs" and "soft tissue refers to the soft connective or supporting tissues, such as muscle". So, what's the best answer to the question?
OPTIONS:
- immunization
- fur
- fat
- bone
- hair
- skin
- defense
- copper
bone
You are presented with the quiz "Nocturnal animals' eyes are very sensitive and used for what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "eyes are used for seeing by animals by sensing light" and "nocturnal animals' eyes are very light sensitive". So, what's the best answer to the question?
OPTIONS:
- tearing
- occuring
- intimidating
- seeing
- sleep
- courtship
- radiation
- the sun

Answer:
seeing