Why was my video rejected?

Here is the link of my video that was rejected.
https://drive.google.com/open?id=1pgf0I6D9MwrrctwJpugmYnEDk5aKZsFG
I tried to upload some other videos same but it wasn’t worked. I think it was at wrong category.
Please have a look my video and give me some advises. Thank you!