I am writing an essay and I am not sure how to open how to open it on this prompt we were given positive attitude is the key to success
in life. Do you agree or disagree with this statement about the
importance of attitude? Take a position on this issue. Support
your response with reasons and specific example

Usually in essays teacher don't like hearing your point of view but in this one I'm guessing they do so I would start it off like:

What is positive attitude? Positive attitude is (say what it is and go into detail) Then say if you agree or disagree then state your facts and make sure to be detailed in your response.

Explanation:

Hope this helps :)

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."