CLEAN : Angelina Jolie files for divorce from Brad Pitt: TMZ

The video begins with a warm greeting, welcoming the viewer back.

What does the phrase 'Nice to see you again' imply about the relationship between the speakers?

In what contexts might someone say 'Nice to see you again'?

How might the tone of voice affect the meaning of 'Nice to see you again'?

What emotions could be associated with the phrase 'Nice to see you again'?

Can 'Nice to see you again' be used in formal settings? Why or why not?