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

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

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