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

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

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