A robust business model provides {HEAD ~ support} for {TAIL ~ realistic activities} and allows a user to experience real world consequences for their actions and decisions 
for
A robust business model provides { HEAD ~ support } for { TAIL ~ realistic activities } and allows a user to experience real world consequences for their actions and decisions
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH