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

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

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