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

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

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