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

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

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