*SUPPORT*
IN: tufa zup OUT: RED RED
IN: kiki lug gazzer OUT: YELLOW BLUE
IN: gazzer dax fep OUT: YELLOW PURPLE
IN: fep zup lug fep OUT: PURPLE PURPLE PURPLE
IN: fep dax kiki OUT: PURPLE BLUE
IN: fep OUT: PURPLE
IN: kiki gazzer OUT: BLUE YELLOW
IN: gazzer dax gazzer OUT: YELLOW YELLOW
IN: kiki dax gazzer OUT: BLUE YELLOW
IN: kiki OUT: BLUE
IN: fep gazzer OUT: PURPLE YELLOW
IN: gazzer OUT: YELLOW
IN: tufa OUT: RED
IN: kiki gazzer dax kiki lug gazzer OUT: YELLOW BLUE YELLOW BLUE

*QUERY*
IN: tufa dax tufa OUT: RED RED
IN: gazzer dax kiki OUT: YELLOW BLUE
IN: tufa kiki zup OUT: RED BLUE BLUE
IN: gazzer lug fep OUT: PURPLE YELLOW
IN: fep zup OUT: PURPLE PURPLE
IN: fep lug fep OUT: PURPLE PURPLE
IN: tufa dax kiki lug fep OUT: PURPLE RED BLUE
IN: kiki zup OUT: BLUE BLUE
IN: fep lug gazzer lug kiki OUT: BLUE YELLOW PURPLE
IN: kiki fep OUT: BLUE PURPLE

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