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

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

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