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

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

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