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

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

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