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

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

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