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

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

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