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

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

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