human
Hi. Here's a riddle for you. Backwards and forwards the steamboat goes on and on. If you stop it, oh, what a woe, it will pierce the sea!
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
No

--- Answer ---
open