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

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

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