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

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

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