How to find out which ports/dependencies were installed when installing a port?

[Robert G.]

Hi,

New here.  I'm running portuprade and wondering if it's possible to find 
out which ports/dependencies were installed when installing a specific 
application.  For example: I install "A" which needs "B" and "C" to run. 
  So portupgrade installs "B" and "C" along with "A".  Later down the 
road I deinstall "A" and decide I'd like to get rid of the 
ports/dependencies that "A" needed installed with it.  How would I go 
about finding "B" and "C" just by knowing "A"'s name?  There has to be 
an easy answer, but I can't figure it out.

Thanks.

-- 
Robert G.