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

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

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