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

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

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