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

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

*GRAMMAR*
fep -> PINK 
 wif -> RED 
 dax -> BLUE 
 gazzer -> YELLOW 
 x1 zup -> [x1] [x1] 
 x1 blicket -> [x1] [x1] 
 x1 tufa x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 