The wings 20 and 22 are then further extended to pass around the back of {TAIL ~ the chair} in which {HEAD ~ the person} is seated 
in is seated
The wings 20 and 22 are then further extended to pass around the back of { TAIL ~ the chair } in which { HEAD ~ the person } is seated
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL