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

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

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