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

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

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