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