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

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

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