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

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

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