While we wait for the sun to rise is a sentence fragment.
There is no ending that completes the sentence.
To finish, an example would be:
<em>While we wait for the sun to rise, we eat breakfast.
</em><em>
</em>
Unethical, musician, antibody.
These are just prefixes and suffixes that match your descriptions.
<span>It shall be a serious wrong for anyone to lead a lord into trivial affairs, for the people must ever hold their lords high in estimation out of respect to their honorable positions. </span>
The correct answer is that it is a simple sentence.
This means that it consists of only one independent clause - meaning there is only one finite verb in the sentence. In this case, the verb is <em>rule.
</em><em />A compound sentence has at least two independent clauses; a compound-complex sentence has at least two independent clauses plus at least one dependent clause; a dependent clause cannot exist on its own because it is just a fragment of a larger sentence, which is obviously not the case here.