User: Given this text, tell me the inventor of the Rueben sandwich and where it was invented.
Assistant: There is no single agreed inventor of the Reuben sandwich. The text gives these possible answers:
*  Reuben Kulakofsky invented the sandwich in Omaha, Nebraska
* Arnold Reuben invented the sandwich at Reuben's Delicatessen in New York City
* Alfred Scheuing invented the sandwich at Reuben's Delicatessen in New York City