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

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

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