*SUPPORT*
IN: dax wif kiki fep zup blicket OUT: GREEN RED BLUE PURPLE
IN: wif kiki blicket OUT: BLUE GREEN
IN: dax kiki blicket OUT: RED GREEN
IN: dax lug kiki dax OUT: RED RED RED
IN: blicket lug OUT: GREEN GREEN
IN: wif zup wif OUT: BLUE BLUE
IN: fep wif fep lug OUT: PURPLE BLUE PURPLE PURPLE
IN: dax lug OUT: RED RED
IN: fep lug OUT: PURPLE PURPLE
IN: blicket fep OUT: GREEN PURPLE
IN: wif OUT: BLUE
IN: blicket OUT: GREEN
IN: blicket kiki wif OUT: GREEN BLUE
IN: blicket lug kiki dax OUT: GREEN GREEN RED

*QUERY*
IN: blicket lug kiki blicket OUT: GREEN GREEN GREEN
IN: fep dax kiki fep kiki fep OUT: PURPLE RED PURPLE PURPLE
IN: dax OUT: RED
IN: wif lug OUT: BLUE BLUE
IN: dax fep lug zup blicket zup fep OUT: PURPLE GREEN RED PURPLE PURPLE
IN: dax wif OUT: RED BLUE
IN: wif lug zup wif OUT: BLUE BLUE BLUE
IN: wif lug kiki blicket OUT: BLUE BLUE GREEN
IN: fep dax fep lug zup blicket OUT: GREEN PURPLE RED PURPLE PURPLE
IN: fep OUT: PURPLE

*GRAMMAR*
blicket -> GREEN 
 wif -> BLUE 
 fep -> PURPLE 
 dax -> RED 
 u1 lug -> [u1] [u1] 
 x1 kiki u1 -> [x1] [u1] 
 x1 zup u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 