*SUPPORT*
IN: blicket OUT: GREEN
IN: blicket tufa blicket OUT: GREEN GREEN GREEN
IN: gazzer lug lug tufa blicket OUT: YELLOW BLUE BLUE GREEN BLUE
IN: lug kiki OUT: BLUE BLUE
IN: lug tufa dax OUT: BLUE PURPLE BLUE
IN: dax dax zup blicket kiki OUT: PURPLE GREEN GREEN PURPLE GREEN GREEN
IN: gazzer OUT: YELLOW
IN: blicket tufa lug OUT: GREEN BLUE GREEN
IN: lug tufa blicket OUT: BLUE GREEN BLUE
IN: lug gazzer gazzer blicket OUT: BLUE YELLOW YELLOW GREEN
IN: lug OUT: BLUE
IN: lug tufa gazzer OUT: BLUE YELLOW BLUE
IN: dax gazzer OUT: PURPLE YELLOW
IN: lug blicket gazzer gazzer kiki OUT: BLUE GREEN YELLOW YELLOW YELLOW

*QUERY*
IN: dax OUT: PURPLE
IN: gazzer kiki OUT: YELLOW YELLOW
IN: blicket kiki OUT: GREEN GREEN
IN: dax zup blicket OUT: GREEN PURPLE GREEN
IN: gazzer tufa dax OUT: YELLOW PURPLE YELLOW
IN: dax tufa dax OUT: PURPLE PURPLE PURPLE
IN: dax kiki OUT: PURPLE PURPLE
IN: gazzer lug OUT: YELLOW BLUE
IN: dax tufa lug OUT: PURPLE BLUE PURPLE
IN: blicket gazzer tufa gazzer OUT: GREEN YELLOW YELLOW YELLOW

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