The difference between a monologue and a soliloquy is that in a soliloquy, the speaker is not addressing anyone. While a monologue may be addressed to someone. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Hey there,
When making a heading for your essay, it should be located in the beginning of the whole essay. This is what makes the essay come to life and what start's off the essay well.
~Jurgen
The second option should be the answer