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

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

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