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

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

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