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

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

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