*SUPPORT*
IN: tufa dax gazzer zup OUT: YELLOW BLUE GREEN
IN: zup gazzer tufa OUT: YELLOW BLUE
IN: fep gazzer dax OUT: GREEN PINK
IN: dax gazzer tufa OUT: YELLOW GREEN
IN: zup fep OUT: BLUE PINK
IN: dax kiki fep wif fep gazzer dax OUT: GREEN GREEN PINK GREEN PINK
IN: tufa gazzer dax OUT: GREEN YELLOW
IN: fep wif zup wif fep zup fep OUT: PINK BLUE PINK BLUE PINK
IN: dax tufa gazzer fep kiki fep gazzer fep OUT: GREEN PINK YELLOW GREEN PINK YELLOW PINK PINK
IN: tufa OUT: YELLOW
IN: dax gazzer fep OUT: PINK GREEN
IN: dax fep gazzer tufa OUT: GREEN YELLOW PINK
IN: dax zup wif dax OUT: GREEN BLUE GREEN
IN: zup OUT: BLUE

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

*GRAMMAR*
dax -> GREEN 
 zup -> BLUE 
 fep -> PINK 
 tufa -> YELLOW 
 x1 wif x2 -> [x1] [x2] 
 x1 kiki x2 -> [x1] [x1] [x2] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 