{HEAD ~ A portable radio information terminal} capable of operating at {TAIL ~ a plurality} of phases to execute different functions 
{ HEAD ~ A portable radio information terminal } capable of operating at { TAIL ~ a plurality } of phases to execute different functions
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH