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

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

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