The third one, it’s the most detailed one and actually gives an explanation on the topic
A playwrights might use a meter because he/she might want the audience to be aware or laugh
My opinion is to stay with your friend and trust you instincts
Answer:
1: Taking a sentence from a book and not stating the author.
2: Copying someones essay or test.
3: Taking a definition from Wikipedia and not stating that you got it from Wikipedia.
