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

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

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