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

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

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