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

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

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