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

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

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