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

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

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