Embodiments of the invention relate to {HEAD ~ a system} for emitting {TAIL ~ a fragrance} in response to detected parameters 
for emitting
Embodiments of the invention relate to { HEAD ~ a system } for emitting { TAIL ~ a fragrance } in response to detected parameters
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH