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

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

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