What is the effect of the subjunctive mood in the sentence, "If I were to win the lottery, I would buy my own island."?
It describes the fact that lottery winners all buy their own islands
It describes a scenario where the person is questioning what to do with their lottery winnings
It describes winning the lottery, which is something that is likely to happen
It describes a potential state of being rich from winning the lottery that is contrary to the fact that the person is not currently rich