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

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

*GRAMMAR*
gazzer -> RED 
 zup -> BLUE 
 tufa -> YELLOW 
 kiki -> GREEN 
 u1 dax u2 -> [u2] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 blicket u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 