Determine if a sentence is an inquiry

Question

How can I detect if a search query is in the form of a question?

For example, a customer might search for \"how do I track my order\" (notice no question mark).

Answer 1

You are going to need a much more advanced form of linguistic analysis to pull this off. Need Proof? Okay...

Does are female deer.

Where there is a will, there is a way.

When the time comes, I'll jump!

Why no. I do not have any pumpernickel.