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

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

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