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

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

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