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

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

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