Writing: End-of-sentence punctuation — Basic example

- [Instructor] What would a piece of cheese say if you took its picture? Well this right over here is a question. What would a piece of cheese say if you took its picture, which is an interesting question. So we need to put a question mark at the end. So we need to put a question mark at the end, and out of all these choices, the second one right over here has the question mark at the end. So, definitely go with that.