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

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

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