Microsoft Cortana was good only on knock out stage , and yesterday was missed up , Cortana predicted that Brazil will win Netherlands ! This engine depends on previous results , statistics and other performance factors related to the game. In the last few predication and if you read his message , the level of confidence became low which give good indicator that engine is not sure from the results.
Predication based on previous records and environment facts could give a clue but each game has it's circumstances.
Finally , the answer is needed her is from astrology point of view.
Ehab Atari