Trifles is a one-act play written by Susan Glaspell, an American novelist and playwright. It is about a group of people investigating what had happened with the Wright family.
According to the Cambridge Dictionary, <em>pleasantry</em> refers to "a polite and often slightly humorous remark, usually made to feel other people relaxed;" in the excerpt, the note before the dialogue indicates that the attorney changes from serious things to trivial talk.