{HEAD ~ A multiprocessor information processing system} has {TAIL ~ a system bus} with interleaved memory modules in communication with multiple CPUs 
has
{ HEAD ~ A multiprocessor information processing system } has { TAIL ~ a system bus } with interleaved memory modules in communication with multiple CPUs
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH