which topic is best suited for a formal discussion?\no the contents of a new textbook\no the weekend plans…

which topic is best suited for a formal discussion?\no the contents of a new textbook\no the weekend plans of your friends\no the best places to shop online for new shoes\no the best cookbooks for learning to make thai food
Answer
Brief Explanations:
Formal discussions often focus on academic - related or professional - like topics. A new textbook's contents are an academic subject, while the other options are more casual or personal.
Answer:
the contents of a new textbook