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

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

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