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

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

*GRAMMAR*
kiki -> PURPLE 
 lug -> YELLOW 
 fep -> RED 
 dax -> BLUE 
 x1 gazzer -> [x1] [x1] 
 u1 zup -> [u1] [u1] 
 x1 tufa x2 -> [x1] [x1] [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 