Read the extract given below :
Student: Good morning Sir, how are you?
Teacher: I am completely fine. What about you?
Student : I was wondering which course to learn in my vacation.
Teacher: It can be confusing with so many options online. You should make a list and narrow it down as per your interest.
Student : I have tried that but still I am left with three options— Artificial Intelligence, Machine Learning or Data Science.
Teacher : Well! All of them are very interesting courses, but as far as I remember you have always been interested in Artificial Intelligence.
Student: Yes! I do because I feel it is our future. Teacher: Well then its no harm in pursuing it and later if you find it less interesting you can always switch.
Student : Yes it sounds like a great idea.
Thanks!
The above extract is an example of

Correct option is D

The given extract is an example of both a conversation and a dialogue.

• A conversation is a casual exchange of thoughts, ideas, or feelings between two or more people, and the extract fits this definition since it involves a back-and-forth exchange between the student and teacher.
• A dialogue refers specifically to a conversation between two or more people, especially one that is formal or structured. This extract also fits the definition of a dialogue since it is an exchange of thoughts between two people (teacher and student).