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

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

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