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

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

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