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

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

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