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

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

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