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: PRESIDENTIAL PETS
Clue: As a warning to Congress, president James Garfield named his dog this

SOLUTION: veto

PROBLEM: Category: FLAGS
Clue: On February 15, 1965 this country raised its new national flag for the first time on Parliament Hill

SOLUTION: canada

PROBLEM: Category: HOBBIES
Clue: This word comes from the Greek words for "light" & "writing"

SOLUTION:
photography