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

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

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