How to allow anonymous suggestions in a Facebook Group.

In this day of political correctness, I’d like to allow members of my group to share suggestions of certain items like s book they’d like an organization to purchase.
My goal is just to let other members to know what other members want and allows them to contact the purchasing organization themselves to submit the request.
Example:
Other members want:
How to Stop Time Chinese
How to Stop Time English
Harry Potter

I’m thinking I could link a third party site to the Facebook group. The main goal is I want the submitters identity kept anonymous if possible.

I

Not possible on FB. Use google form or some other way.