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: Afghanistan  answers:  ['Fruit and Tree Nut Farming', 'Carpet and Rug Mills', 'Opium']

SOLUTION: what are the main imports and exports of afghanistan?

PROBLEM: concept: Trenton  answers:  ['08610', '08611', '08618', '08608', '08603', '08602', '08601', '08607', '08605', '08604']

SOLUTION: what is the zip code for trenton ga?

PROBLEM: concept: Peru  answers:  ['Andes']

SOLUTION:
what are the mountains in peru called?