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

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

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