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

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

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