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

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

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