It depends on what you see. This question is more of asking you for your view. For example, i will give you one of my concerns of this world: hatred. reasons, many. War is another. You can use these two if you want but try at least brainstorm on what you see for the 3rd problem
hope this help ^^
What is the reading from and who is the author?
Answer:
Ex:1
B, A, B, B, A, C, A, B, B, B
Ex:2
A, C, A, B, A, A, B, B, A, B