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

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

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