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

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

*GRAMMAR*
wif -> BLUE 
 dax -> PURPLE 
 gazzer -> GREEN 
 blicket -> PINK 
 u1 zup -> [u1] [u1] 
 u1 tufa u2 -> [u2] [u1] [u1] [u2] 
 x1 lug x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 