The reason why they both have similar moods is because they're both about having control over your own fate and life, and just getting through life.However they both have different endings because "We Real Cool" is about being rebellious and having fun and getting into mischief, and at the end it says: "We Sing sin.We Thin gin.We Jazz June.We Die soon.".While "Invictus" is about no matter what the speaker goes through he will never give in and surrender, which it says at the end of the poem:"I'am the master of my fate; I'am the captain of my soul."
I think that your assignment is asking you to film something. Your teacher is leaving it up you to decide how to make that video. What it's saying is you can use one of the example ideas or come up with your own.
The subjunctive mood is the best.
The subjunctive is rarely used in colloquial English. Totally irrelevant information, but... it is a relic from Latin, where there are many uses for a subjunctive. There is even a special conditional using the subjunctive mood that expresses the exact circumstances you described, which is usually called future less vivid.
The question lacks some context but I would say B) might be the right answer. Hope this helps!
