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

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

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