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

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

*GRAMMAR*
dax -> YELLOW 
 zup -> BLUE 
 fep -> PINK 
 wif -> RED 
 u1 gazzer -> [u1] [u1] [u1] [u1] [u1] 
 u1 lug u2 -> [u2] [u1] [u1] [u1] [u1] [u1] [u2] [u1] 
 u1 tufa -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 