A helicopter above the tree is connected to a point near {HEAD ~ the top} of {TAIL ~ the trunk} 
of
A helicopter above the tree is connected to a point near { HEAD ~ the top } of { TAIL ~ the trunk }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL