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

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

*GRAMMAR*
gazzer -> GREEN 
 tufa -> BLUE 
 lug -> RED 
 fep -> YELLOW 
 x1 zup -> [x1] [x1] [x1] [x1] 
 u1 dax -> [u1] [u1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 