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

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

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