The Dog Whistle

They say behind my school, a man lost his dog, but didn't know it. Every time he walked around he heard a bark, then he blew a dog whistle. But the dog wouldn't come. Then he found his dog and out of nowhere, they were shot by a man that was annoyed with the barking. Now everyone knows that humans can't hear a dog whistle because it's so high and piercing, that only a dog can hear it. But the weirdest thing is, I can hear it. I saw the freakiest thing when I was taking my Social Studies final.

I was sitting there working on the final, when I heard this high noise. It hurt my ears, I had to close my eyes hard and cover my ears. But since I was in a room in school, everyone thought I was going nuts! I was sitting right next to the window. I turned to look outside because that's where the noise was coming from, and I swear that I saw a dog running around. Now it didn't look like a normal dog. It was glowing, and it looked like the wind. I couldn't believe what I was seeing. I closed my eyes, looked back down on my paper, then quickly looked back up. The dog was still there! Then I heard that high pitch noise. The dog stopped running. It looked at me. I watched it. Then it told me to look out at the soccer field. I turned my head a little, and saw a man about 5" 4' walking around. He looked confused to me. He was about 6" away from the school. Then I saw him dig through his pocket and take out a little whistle. I stared at it, he blew into it. It made that high pitch noise. I was shocked. The dog was still sitting there. The man walked up to the little dog and stood there smiling at me. Then he waved! The wind carried both spirits away. I looked up at the clock and remembered I had to finish a final.

It was the freakiest thing I've ever seen! A ghost man and a ghost dog. And I wasn't dreaming. Please, can someone explain to me what happened!