Based on the customers choices, {HEAD ~ the salesperson} is able to build {TAIL ~ a portfolio} of possibilities 
Based on the customers choices , { HEAD ~ the salesperson } is able to build { TAIL ~ a portfolio } of possibilities
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH