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

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

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