That’s what the program says next to the word “Subject”. optional,eh? what is that anyhow? what’s optional? what’s a choice as opposed to an option? are they synonims? Do languages provide synonims as an “entertaining” alternative for original words? If so, then which are the originals and which are the alternatives?

I think I’m just tired. I better go sleep before I come up with some peace treaty with my thoughts and the world.