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

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

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