System 500 may be {TAIL ~ any system}, such as {HEAD ~ a server computer system} for example 
System 500 may be { TAIL ~ any system } , such as { HEAD ~ a server computer system } for example
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH