Any group can create topic, only certain group can answer + OP

[OrahChris]

I'd like to create a sub forum for new users to ask advanced users questions. If possible I'd like the setup to be: OP asks question (any group) and veteran group can answer. This on it's own is possible. But if the new user isn't in the veteran group (or regular users for that matter) they won't be able to reply. 

Can I setup a sub forum so that any group can ask a question, only Y group can answer + the OP? 

[OrahChris]

Bump