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

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

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