To allow users to cancel an in-progress transaction, you need an interruption mechanism.

In Bot Framework Composer, this is done using triggers such as an intent trigger or dialog trigger (e.g., a CancelIntent trigger that interrupts the current flow).

A language generator handles variations in bot responses.

A custom event is not required for simple cancellation.

A conversation activity handles messages or events but does not manage interruption logic.

Correct Answer: C