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

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

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