`` but sir a lot of research has been done on these mysterious phenomena 's , the faces which appear there on the floor , the sound of horses neighing at the night , these all ca n't be his activities though that disappearance of ships from the path can be concluded in his works but sir the plane which became unknown from their , hides all the other assumptions , the pilot in his last sentence clearly stated that there is something , moving very close to him and then the signal got cut '' goku said .