- Oh, that's too bad. How did it happen?
- He was playing with matches.

5 seconds sound clip from the The Little Shop of Horrors (1960) movie soundboard.

You can hear this line at 00:42:33.281 in the Blu-ray version of the movie.

Quote context

[...]

- It's OK. Let's take a look at it. OK.

- Hi, what's cookin'?

- Look at my plant.

- My, what a large one.

- Yeah.

- Hello, Mrs. Shiva. What's new?

- Oh, I've got terrible news. My nephew Frankie just lost his little boy.

- Oh, that's too bad. How did it happen?

- He was playing with matches.

- Would you like to buy, maybe, some flowers?

- About 50 cents worth.

- Well, I'll get them for you.

- Look at my plant!

- I'm looking.

- Your name Gravis Mushnick?

- Mushnick, Gravis. That's my name.

- Just want to ask you a few questions.

- Questions, ask me.

[...]