Build classification rules based on classifications

It'd be really fantastic to be able to build rules based on other classifications.

Although this sounds unnecessary, here's my use-case:

I am using the DFA genesis integration to automatically populate several classifications of an eVar, one of which is "Campaign".

I'd like to aggregate Campaign data as either "Branded Media" or "Unbranded Media". This information is included in the campaign, but other granular information is too (date, campaign name).

Building rules based on the Campaign classification would allow me to look for Branded in the Campaign classification or Unbranded and I could easily split out this data.

Make sense? Seems like a relatively simple request

Thanks!