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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: NUN SENSE 
Clue: This 6th century Irish nun is also known as St. Bride, though she refused to marry

SOLUTION: st. bridget

PROBLEM: Category: E BEFORE I 
Clue: Hold your horses! & to make it easier, use these straps that attach to the bit of the bridle

SOLUTION: reins

PROBLEM: Category: I KNEW IT WAS OVER WHEN... 
Clue: This character on "Happy Days" became a teacher, bought a home & adopted a child

SOLUTION:
fonzie