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

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

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