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

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

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