{HEAD ~ The polybutadiene composition} includes {TAIL ~ a butadiene polymer} with a resilience index greater than about 40 and a weight average molecular weight greater than about 200,000 
includes
{ HEAD ~ The polybutadiene composition } includes { TAIL ~ a butadiene polymer } with a resilience index greater than about 40 and a weight average molecular weight greater than about 200,000
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH