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

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

*GRAMMAR*
zup -> PINK 
 fep -> PURPLE 
 tufa -> BLUE 
 lug -> GREEN 
 x1 dax -> [x1] [x1] [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 