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

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

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