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

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

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