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

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

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