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

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

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