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

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

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