{HEAD ~ The mixture} of carbon dioxide and octenol is released from {TAIL ~ the housing} for attracting insects 
{ HEAD ~ The mixture } of carbon dioxide and octenol is released from { TAIL ~ the housing } for attracting insects
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH