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

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

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