TASK DEFINITION: You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).
PROBLEM: concept: Michigan answers: ['UTC-5']

SOLUTION: what timezone is michigan usa?

PROBLEM: concept: Audrey Hepburn answers: ['Robert Wolders', 'Andrea Dotti', 'Mel Ferrer']

SOLUTION: who was audrey hepburn's husbands?

PROBLEM: concept: George Eastman answers: ['Roll film']

SOLUTION:
what did george eastman make?