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

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

*GRAMMAR*
blicket -> GREEN 
 dax -> BLUE 
 gazzer -> YELLOW 
 zup -> RED 
 x1 kiki u1 -> [u1] [x1] 
 x1 fep x2 -> [x1] [x2] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 