What is the question "What singer 's theme song was When the Moon Comes over the Mountain ?" asking about?
A: human

What is the question "Where did the saying '' rule of thumb '' come from ?" asking about?
A: description

What is the question "What is the softest part of the body ?" asking about?
A: entity

What is the question "What ocean does Mauritania border ?" asking about?
A:
location