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

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

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