{TAIL ~ The system} includes {HEAD ~ an exterminating liquid supply subsystem} and an exterminating liquid distribution subsystem 
{ TAIL ~ The system } includes { HEAD ~ an exterminating liquid supply subsystem } and an exterminating liquid distribution subsystem
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH