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

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

*GRAMMAR*
wif -> BLUE 
 blicket -> RED 
 dax -> PURPLE 
 zup -> PINK 
 x1 fep x2 -> [x2] [x2] [x2] [x1] [x2] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 