To fold or crease, here is an example :)
Hmm.. I believe it's 3. sorry if it's wrong. Use commas to separate independent clauses when they are joined by any of these seven coordinating conjunctions: and, but, for, or, nor, so, yet. ...
File naming convention is a group of rules to aplly for naming files. For Answer Not Provided the correct answer is B. Use of capital letters while differentiating words in the file name.
The Use of capital letters is meant to delimit words, not spaces or underscores.
The correct file name should appears without spaces as AnswerNotProvided.