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

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

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