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

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

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