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

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

*GRAMMAR*
zup -> GREEN 
 gazzer -> PINK 
 dax -> RED 
 kiki -> BLUE 
 u1 fep u2 -> [u1] [u2] 
 x1 lug x2 -> [x2] [x1] [x1] [x2] 
 u1 wif -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 