{HEAD ~ The invention} further relates to {TAIL ~ an apparatus} for calibrating a sensor which may be used for measuring color of a color display in calibration of the display 
relates to
{ HEAD ~ The invention } further relates to { TAIL ~ an apparatus } for calibrating a sensor which may be used for measuring color of a color display in calibration of the display
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH