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

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

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