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

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

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