{HEAD ~ The deck assembly} comprises {TAIL ~ a deck portion} formed of a first material and a sub structure formed of a second material 
comprises
{ HEAD ~ The deck assembly } comprises { TAIL ~ a deck portion } formed of a first material and a sub structure formed of a second material
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