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

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

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