The method can include providing at least one object sensor coupled to at least one light, and sensing if {HEAD ~ at least one object} is present adjacent to {TAIL ~ the at least one light} 
is present adjacent to
The method can include providing at least one object sensor coupled to at least one light , and sensing if { HEAD ~ at least one object } is present adjacent to { TAIL ~ the at least one light }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL