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

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

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