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

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

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