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

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

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