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

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

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