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

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

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