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

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

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