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

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

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