What event from "the black cat" seem to prove the wifes supersition about cats to be correct

D. The house burns to the ground the day after the narrator kills the first cat. The day after the narrator killed the cat by hanging it from one of the beams of their cellar, their house burned to the ground. They were sleeping when their neighbors’ cries woke them up only to find out that their house is on fire.

what's the topic we have to write about?

"the tune the he might never know again." this part build anticipation. dexter got extremely happy by the piano tune. he could see what he was living at that moment in his life throught this feeling. the reader might want to learn more about his happy life. in fact, he called it a state of   'ecstasy'. the fact that he had got in a mood of intense appreciation and that everything about him was extremely bright and glamorous might lead the reader to feel that this state of happiness may not last long. the two parts from the excerpt that exemplify the anticipation are: " the sound of the "; " it was a know again."