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

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

*GRAMMAR*
tufa -> PURPLE 
 dax -> RED 
 wif -> BLUE 
 kiki -> YELLOW 
 u1 gazzer u2 -> [u1] [u2] [u2] [u1] 
 x1 fep -> [x1] [x1] [x1] [x1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 