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

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

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