{TAIL ~ Each remote control command set} includes a set of {HEAD ~ commands} for operating at least one of various remotely controllable devices 
{ TAIL ~ Each remote control command set } includes a set of { HEAD ~ commands } for operating at least one of various remotely controllable devices
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH