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

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

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