A system provides {HEAD ~ the user} with {TAIL ~ a simulated environment} that presents a business opportunity to understand and solve optimally 
with
A system provides { HEAD ~ the user } with { TAIL ~ a simulated environment } that presents a business opportunity to understand and solve optimally
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH