Sorry! I meant to say "what happens if I take option 2 and plead guilty with an explanation"? Not option 3, as I put in my initial post

Hey, So I'm exhausted from studying for examinations, and I turned onto a street near where I live - but not familiar to me - and drove down a street. It was just after I passed the "do not enter sign" that I realized I was on a one-way street. A lady driving by yelled out her window "...