So, just to clarify, your essay is circled around the quote at the bottom? What work of literature are you going to use?
1) The poem won first prize.
2) The operation was a success.
3) the digital camera has [already] gone wrong.
4) The beautiful motorboat belonged to Steven Spielberg.
To show how power and wealth can’t shelter people. There is also a lot of symbolism in the book as well with the seven room.
The appositive is usually a group of words related to a noun, usually a subject, and describes it in more detail.
The appositive here is a river that flows through Egypt.
Another way of easily spotting an appositive is by looking for commas - if it is separated from the rest of the sentence by commas, it is likely to be an appositive.