What is the question "Who followed Willy Brandt as chancellor of the Federal Republic of Germany ?" asking about?
A: human

What is the question "When was the slinky invented ?" asking about?
A: numeric

What is the question "How can I find a list of celebrities ' real names ?" asking about?
A: description

What is the question "What are Britain 's two longest rivers ?" asking about?
A:
location