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

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

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