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

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

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