{HEAD ~ A lighting device} includes {TAIL ~ a first lighting source}, a second lighting source, and a controller 
includes
{ HEAD ~ A lighting device } includes { TAIL ~ a first lighting source } , a second lighting source , and a controller
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH