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

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

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