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

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

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