input question: Why are the ears your center of balance ?

Would the answer to this question be an entity, an abbreviation, a description, a human, a location, or a numeric value?
your answer: description

input question: How many square feet is Bill Gates ' home ?

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your answer: numeric

input question: What two cities usually mark the extremes of English Channel swims ?

Would the answer to this question be an entity, an abbreviation, a description, a human, a location, or a numeric value?
your answer: location

input question: How did names come about ?

Would the answer to this question be an entity, an abbreviation, a description, a human, a location, or a numeric value?
your answer:
description