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

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

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