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

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

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