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

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

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