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

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

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