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

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

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