You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: CABINET OFFICERS 
Clue: He was the last Secretary of State to serve in the post under 2 presidents
[A]: henry kissinger


[Q]: Category: FAMOUS FIRSTS 
Clue: In 1876 this man became the first person not to get a busy signal on the other end of a phone line
[A]: alexander graham bell


[Q]: Category: EUROPEAN FICTION 
Clue: This 1915 story says, "His numerous legs, which were pitifully thin... waved helplessly before his eyes"
[A]:
metamorphosis