{TAIL ~ A print system} includes {HEAD ~ a printer hub}, a shared printer and a shared MFP 
{ TAIL ~ A print system } includes { HEAD ~ a printer hub } , a shared printer and a shared MFP
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH