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

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

*GRAMMAR*
dax -> BLUE 
 wif -> YELLOW 
 gazzer -> PINK 
 tufa -> RED 
 u1 zup u2 -> [u1] [u2] 
 u1 blicket x1 -> [u1] [x1] 
 x1 fep x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 