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

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

*GRAMMAR*
gazzer -> BLUE 
 fep -> PURPLE 
 zup -> YELLOW 
 tufa -> RED 
 x1 lug x2 -> [x2] [x2] [x1] [x1] 
 u1 wif u2 -> [u1] [u1] [u1] [u2] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 