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

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

*GRAMMAR*
dax -> BLUE 
 tufa -> PURPLE 
 zup -> YELLOW 
 gazzer -> RED 
 x1 wif x2 -> [x1] [x2] 
 x1 lug x2 -> [x1] [x2] [x2] [x1] [x1] 
 x1 fep u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 