I do not know what you are speaking about peculiar?
Answer:
The main theme of Plato 's Allegory of the Cave in the Republic is that human perception cannot derive true knowledge, and instead, real knowledge can only come via philosophical reasoning. In Plato’s example, prisoners live their entire lives in a cave, only able to see shadows. To them, these shadows are reality.
The sentence that best describe the setting of the story is “By the side of a wood, in a country a long way off, ran a fine stream of water; and upon the stream there stood a mill.” This sentence gives information about the place where the events takes place. It is described in a vivid way in order to make it more appealing to the reader and to introduce the reader into the fictional world.
"Video games can kill!" is the main topic or the topic sentence of the paragraph. How did I find this? (you might not probably ask but I will do it anyways) Well first of all, it is the beginning sentence of the paragraph making it obvious. And the other sentences besides this one are facts or reasons or proof or evidence or whatever you want to call it.
Hope this helps! :)