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

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

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