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

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

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