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

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

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