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

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

*GRAMMAR*
tufa -> PURPLE 
 lug -> RED 
 kiki -> BLUE 
 gazzer -> GREEN 
 u1 zup u2 -> [u2] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 