{HEAD ~ The computer program} may further include {TAIL ~ a code segment} for accessing services from remote service providers 
{ HEAD ~ The computer program } may further include { TAIL ~ a code segment } for accessing services from remote service providers
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH