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

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

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