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

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

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