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

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

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