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

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

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