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

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

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