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

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

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