Detailed Instructions: 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: Thomas Edison answers: ['Phonograph', 'Carbon microphone', 'Mimeograph', 'Quadruplex telegraph', 'Electric power distribution', 'Movie camera', 'Incandescent light bulb', 'Phonograph cylinder']
Solution:
what are all the things thomas edison invented?