Read this sentence from "A Letter from Birmingham Jail" by Martin Luther King Jr.:
Moreover, I am cognizant of the interrelatedness of all communities and states.
Which statement best explains how the word cognizant impacts the tone of the speech?
It helps create an impartial, yet intellectual tone.
It helps create a concerned, yet optimistic tone.
It helps create a casual, yet serious tone.
It helps create a sympathetic, yet biased tone.