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

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

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