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

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

*GRAMMAR*
wif -> GREEN 
 blicket -> PURPLE 
 fep -> BLUE 
 kiki -> RED 
 x1 dax -> [x1] [x1] 
 x1 lug x2 -> [x2] [x1] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 