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

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

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