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

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

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