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

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

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