You go to other sources and you see if most of them have the same information. Hope this helps :)
Https://815458.r.bat.bing.com/?ld=d3yaQ8tR2YNKFdQME-IfoeOzVUCUyqgiveHxKofK8KAo8fmKp5ofwnhVngTR3CWtMk...
Hope this helps you lol......
When a sheet says that, it means that the word is what the appositive is discribing.
I agree and reading this motivates me