query: What is the use of "? :"
positive_passages.docid: 87980
positive_passages.text: Hidden Features of C#?
negative_passages.docid: 25348
negative_passages.text: Use "does" in front of another verb in a question?
negative_passages.docid: 66648
negative_passages.text: In what cases should I use a comma before "or"?
negative_passages.docid: 66988
negative_passages.text: "Which" or "what" or ... when referring to a main clause?
negative_passages.docid: 30141
negative_passages.text: Can we use WHOSE for things? (or should I use 'that' or 'which'?)
negative_passages.docid: 25183
negative_passages.text: How to use "who" vs. "that"
negative_passages.docid: 18328
negative_passages.text: Is using "someone" in a question correct?
negative_passages.docid: 70992
negative_passages.text: "What's" in indirect questions
negative_passages.docid: 16124
negative_passages.text: Use of "If there is/are"
negative_passages.docid: 83756
negative_passages.text: What's the difference betwen " and ' - and when to use it?
negative_passages.docid: 52234
negative_passages.text: Where does the question mark go — inside or outside the parentheses?
negative_passages.docid: 29914
negative_passages.text: What is the difference between  and ?
negative_passages.docid: 12800
negative_passages.text: 'declarative' questions and 'interrogative' questions (When to use which?)
negative_passages.docid: 99111
negative_passages.text: Question about probable fixed use of "what do you do?" and "how do you do?"
negative_passages.docid: 133090
negative_passages.text: Usage of “when” or “while” in this context
negative_passages.docid: 124757
negative_passages.text: Beginning a question with "Say,"?
negative_passages.docid: 62864
negative_passages.text: Asking a question: DO or ARE?