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

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

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