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

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

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