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

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

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