Consider the following domains: Playground, College canteen, College auditorium, Metro station Lecture hall, Father’s office, Multiplex, Police station, Hospital, Kitchen, Court room, Principal’s office. Classify them into formal and informal categories.

Formal Domains:

1. College Auditorium
2. Lecture Hall
3. Father's Office
4. Police Station
5. Hospital
6. Courtroom
7. Principal's Office

Informal Domains:

1. Playground
2. College Canteen
3. Metro Station
4. Multiplex
5. Kitchen

Explanation:

Formal Domains: These are places characterized by structured and official interactions, often involving rules, procedures, and a certain level of decorum. Examples include educational institutions, legal institutions, government offices, and healthcare facilities.

Informal Domains: These are places where interactions are more relaxed, less structured, and typically do not involve strict rules or formalities. People tend to have casual conversations and activities in these settings. Examples include recreational areas, public transport stations, and social venues like multiplexes and kitchens.