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: DRAMA 
Clue: This play begins as Willy Loman returns home from a trip

SOLUTION: death of a salesman

PROBLEM: Category: SCIENCE 
Clue: This yellow element is found in gunpowder & matches & is used in vulcanizing rubber

SOLUTION: sulphur

PROBLEM: Category: WORLD TRAVEL 
Clue: Visit Ashgabat, Turkmenistan & you'll find that it's the sister city of this largest town in New Mexico

SOLUTION:
albuquerque