The hook is the sentence that catches your readers attention. Your hook is the first sentence in your first paragraph and should be intriguing.
Half of his tragic flaw is anger, as it caused him to kill his father. The death of his father is a very large part of his downfall. Another flaw is his pride, as he refuses to accept his fate. His main strength, however, is his intelligence. He was courageous, which allowed him to confront and destroy the sphinx.
Because your grounded, terrible singer, even though she knew she would get sick, I read my book, and although she hates the color blue
The answer that you are looking for is four