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

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

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