Acting on a Folder Based on its Contents

I'm using the Ethan's Kinkless desktop system and playing with the rules a bit. I'd like to label my Inbox red if anything inside has been labeled red. Is there any way to do this?
simply useful mac software
https://www.noodlesoft.com/forums/
my hazelProcessFile(leFiche)
on hazelProcessFile(leFiche)
tell application "Finder"
try
activate
set label index of container of (leFiche as alias) to 3
on error errMsg number errNum
display dialog "Oops" & return & errNum & return & errMsg
end try
end tell
end hazelProcessFile