4. Do I see that the writer tried to add style to the essay?
5. Do I notice that the writer tries to engage readers?
Explanation:
These are the questions that best demonstrate how an essay can be objectively evaluated for interesting and unique presentation. Since we want this assessment to be objective, this means that it cannot only be based on your opinion, but that it should also be judged in some factual way. Therefore, the last two options are the best ones because they try to judge the text based on actual evidence.