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

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

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