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

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

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