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

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

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