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

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

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