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

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

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