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

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

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