'SHEILA: So nothing really happened. So there's nothing to be sorry for, nothing to learn. We can all go on behaving just as we did.MRS. BIRLING: Well, why shouldn't we?SHEILA: I tell you -- whoever that Inspector was, it was anything but a joke. You knew it then. You began to learn something. And now you've stopped. You're ready to go on in the same old way.'-- Which theme, or themes, are evident in this dialog between mother and daughter from J.B. Priestley's play, An Inspector Calls?

'Theme' is the meaning or message of a literary work. Unlike other forms of writing, poetry, stories and plays never state their themes outright. Instead the reader must pay close attention to language, mood, dialog, character, plot and any other devices which the writer uses to convey the message.

In the questions below, even if you have not read the text before, pay close attention to the brief passages given in the question and you will be able to decide which theme is conveyed.