That's because you have to have a lighting source so as to avoid pixelated dark photos, and as there's no natural light indoors, or it goes away quickly as it depends on windows, you have to use artificial lighting.
Answer: Outline your steps to take action, know what supplies or things you may need and choose one of your ideas(or more) to act upon.
Explanation:
Teacher: Oh sure, if you can develop your skill by acquiring much knowledge of English, your nation will be developed automatically. Myself: Sir, thanks a lot for your valuable information. Teacher: You are most welcome. I wish you good luck
It could be dramatic irony because the audience wants to know how the characters /actors on stage might react, creating surprise for the audience only.