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

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

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