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

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

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