Read the text to answer.

Mini Tale

A fisherman had a nice family and lived happily near the beach, fishing only for their daily needs. One day he met a businessman who said “catch more fish, buy more boats and run a successful business”. The fisherman answered “Then what?” “Start a family and live by the beach”.

(Available at: https://users.aber.ac.uk/jpm/minisagas.)

Among the several cohesive resources that a language has punctuation is one of the elements contributing to build thematic progression. In the Mini Tale above, the quotation marks perform the function of: