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

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

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