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

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

*GRAMMAR*
fep -> PURPLE 
 dax -> BLUE 
 zup -> YELLOW 
 tufa -> RED 
 u1 gazzer -> [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] [x1] 
 x1 wif x2 -> [x1] [x2] [x1] [x1] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 