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

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

*GRAMMAR*
kiki -> GREEN 
 lug -> BLUE 
 gazzer -> PURPLE 
 zup -> RED 
 u1 wif -> [u1] [u1] [u1] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 fep u1 -> [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 