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

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

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