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

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

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