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

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

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