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

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

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