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: BRAND NAMES
Clue: This brand of petroleum jelly was selling a jar a minute in the U.S. by the 1880s, & it's still a favorite

SOLUTION: vaseline

PROBLEM: Category: AT THE KENNEDY CENTER
Clue: Can you hear me? This rock opera by The Who was a big hit at the Kennedy Center in 1994

SOLUTION: tommy

PROBLEM: Category: CONTEMPORARIES
Clue: St. Francis of Assisi was already a missionary when this famous grandson of Genghis was born

SOLUTION:
kublai khan