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

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

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