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

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

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