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

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

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