*SUPPORT*
IN: zup kiki gazzer tufa OUT: YELLOW PINK GREEN PINK
IN: tufa gazzer tufa OUT: PINK PINK PINK
IN: dax gazzer dax OUT: PURPLE PURPLE PURPLE
IN: dax tufa gazzer kiki lug zup gazzer dax OUT: PURPLE GREEN PINK GREEN PURPLE YELLOW PURPLE
IN: kiki gazzer kiki OUT: GREEN GREEN GREEN
IN: tufa gazzer dax OUT: PURPLE PINK PURPLE
IN: kiki tufa gazzer dax OUT: GREEN PURPLE PINK PURPLE
IN: tufa gazzer kiki OUT: GREEN PINK GREEN
IN: dax lug zup OUT: PURPLE YELLOW
IN: zup OUT: YELLOW
IN: kiki gazzer dax OUT: PURPLE GREEN PURPLE
IN: dax zup fep dax OUT: PURPLE YELLOW PURPLE
IN: kiki OUT: GREEN
IN: tufa tufa gazzer tufa OUT: PINK PINK PINK PINK

*QUERY*
IN: zup gazzer dax OUT: PURPLE YELLOW PURPLE
IN: tufa kiki gazzer dax OUT: PINK PURPLE GREEN PURPLE
IN: tufa zup dax OUT: PINK YELLOW PURPLE
IN: dax gazzer kiki OUT: GREEN PURPLE GREEN
IN: dax OUT: PURPLE
IN: kiki tufa tufa OUT: GREEN PINK PINK
IN: dax gazzer zup OUT: YELLOW PURPLE YELLOW
IN: tufa OUT: PINK
IN: kiki tufa gazzer dax lug tufa OUT: GREEN PURPLE PINK PURPLE PINK
IN: kiki gazzer zup OUT: YELLOW GREEN YELLOW

*GRAMMAR*
zup -> YELLOW 
 kiki -> GREEN 
 dax -> PURPLE 
 tufa -> PINK 
 x1 fep x2 -> [x1] [x2] 
 u1 gazzer u2 -> [u2] [u1] [u2] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 