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

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

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