Logical appeals,i believe this would be your best choice
OR is the coordinating conduction in the sentence
While confined here in the Birmingham city jail, I came across your recent statement calling our present activities "unwise and untimely." Seldom, if ever, do I pause to answer criticism of my work and ideas. If I sought to answer all of the criticisms that cross my desk, my secretaries would be engaged in little else in the course of the day, and I would have no time for constructive work. But since I feel that you are men of genuine good will and your criticisms are sincerely set forth, I would like to answer your statement in what I hope will be patient and reasonable terms.
I think I should give the reason for my being in Birmingham, since you have been influenced by the argument of "outsiders coming in"
The research suggests we may have little time left to help the big cats of the world.
<em>However</em>
Our progress in all major habitats has been very encouraging.
"Wow!" She exclaimed. "Our seats are in the front row!"
