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

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

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