TASK DEFINITION: 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.
PROBLEM: Category: HISTORIC ROYALTY 
Clue: These two men seen here, allies during World War I, were sometimes mistaken for each other

SOLUTION: czar nicholas ii & king george v

PROBLEM: Category: INVENTIONS 
Clue: Josephine Cochrane's 1886 version of this consisted of a copper boiler, wire baskets & a pump

SOLUTION: a dishwasher

PROBLEM: Category: TELEVISION HISTORY 
Clue: In the late '60s this character was created to show children it's okay to be grumpy

SOLUTION:
oscar the grouch