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

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

*GRAMMAR*
lug -> YELLOW 
 zup -> PINK 
 kiki -> PURPLE 
 fep -> BLUE 
 x1 tufa u1 -> [u1] [x1] 
 u1 gazzer x1 -> [x1] [u1] 
 x1 dax x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 