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

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

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