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

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

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