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

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

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