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

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

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