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

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

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