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

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

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