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

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

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