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

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

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