MLA Handbook is the answer
John F<span>. </span>Kennedy<span> gave an inaugural address that became one of the most famous </span>speeches<span> in American history. It shaped the ... And he ended with a line that defined a generation: "And </span>so<span>, my fellow Americans: Ask not what your country can do for you — ask what you can do for your country."</span>
This is a simple sentence because in its entirety it is a single clause. There are no multiple independent clauses connected or any subordinate clauses to make it compound or complex.
An adjective is a part ofspeech which describes, identifies, or quantifies a noun or a pronoun. So basically, the main function of anadjective is to modify a noun or a pronoun so that it will become more specific and interesting.
Um... is there a question?