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

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

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