tokens: Prior to running the projects ( F 5) and if you have the C# code ( rather than just the PDB ) you can open up the .cs file using File->Open and set breakpoints .
ner_tags: O O O O O O B-Keyboard_IP I-Keyboard_IP O O O O O B-Language O O O O O O B-File_Type O O O O O O B-File_Type O O O O O O O