human
translate to chinese: The Company is an investment holding company and its subsidiaries are principally engaged in the design, manufacture and sales of roadheaders, combined coal mining units, mining transportation vehicles, port machinery and marine heavy equipment products.
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