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

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

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