{HEAD ~ The device} includes {TAIL ~ a first subset} of light modulators and a second subset of light modulators 
includes
{ HEAD ~ The device } includes { TAIL ~ a first subset } of light modulators and a second subset of light modulators
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH