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