Five days later the Japanese people heard the voice of Emperor Hirohito, in his first radio broadcast, announcing that  the war situation has developed not necessarily to Japan's advantage.  
Emperor Hirohito announced the war situation was not to Japan's advantage.
mnli hypothesis: Emperor Hirohito announced the war situation was not to Japan's advantage. premise: Five days later the Japanese people heard the voice of Emperor Hirohito, in his first radio broadcast, announcing that  the war situation has developed not necessarily to Japan's advantage.  