*SUPPORT*
IN: gazzer OUT: BLUE
IN: kiki lug dax lug gazzer OUT: RED PURPLE BLUE
IN: kiki gazzer OUT: RED BLUE
IN: zup OUT: YELLOW
IN: zup fep zup tufa lug zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: kiki OUT: RED
IN: dax OUT: PURPLE
IN: gazzer dax OUT: BLUE PURPLE
IN: gazzer tufa OUT: BLUE BLUE
IN: gazzer fep gazzer tufa OUT: BLUE BLUE BLUE BLUE BLUE
IN: dax tufa lug dax OUT: PURPLE PURPLE PURPLE
IN: dax tufa OUT: PURPLE PURPLE
IN: zup dax kiki tufa OUT: YELLOW PURPLE RED RED
IN: zup kiki gazzer gazzer OUT: YELLOW RED BLUE BLUE

*QUERY*
IN: zup tufa OUT: YELLOW YELLOW
IN: zup dax OUT: YELLOW PURPLE
IN: gazzer fep dax OUT: PURPLE BLUE PURPLE
IN: zup gazzer fep zup tufa OUT: YELLOW YELLOW YELLOW BLUE YELLOW YELLOW
IN: gazzer tufa lug kiki OUT: BLUE BLUE RED
IN: kiki tufa OUT: RED RED
IN: gazzer kiki gazzer OUT: BLUE RED BLUE
IN: kiki gazzer zup dax tufa OUT: RED BLUE YELLOW PURPLE PURPLE
IN: kiki lug gazzer OUT: RED BLUE
IN: dax dax kiki OUT: PURPLE PURPLE RED

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