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

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

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