How to Buy Process in the US?

Interviewers got monish to talk about ali baba and ten cent in process. When interviewer asked, whell did you buy process in the us? Or in amsterdam or europe, or whatever? He said he didn't even know it was trading in the s. Some people were going, ok, what's up with that? There is a process a d r ticker in the us. That's how i've bought a process.