How to put words from a text file into a (binary)Tree

Hello ,

I am working on a project in C# and I have to create a binary tree where to put all words from a text file. In  txt file I have all information from a Europass CV and I want to put all those words into an tree where I could finde easier the key words. I don't know exactly if I have to create a new class(Tree) for this or it is possible to create functions to create,insert,search in my class and how should look those functions.

Thank you ! :)