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

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

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