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

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

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