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

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

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