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

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

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