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

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

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