There is no bolded section visible. Remember that the topic sentence is what the essay is about. The hook is a line used to draw readers in and make them interested in the topic. The supporting evidence is used to support the claims made in the topic sentence. The conclusion is an ending statement that restates the topic or thesis in some way.
Oxymoron is used 'deafening silence' those words contradict each other it implies that their silence is giving kate the same impact as if they were screaming in her ears.