This was done on purpose.

You're right. It was done on purpose.

And you know who thinks it was done on purpose?

He believed the budding chemical spill was done on purpose.

Well, I don't think that that's being done on purpose.

Nothing that's happening here is being done on purpose.

What you have tried to do you've done on purpose!

He could have done that on purpose.

Could someone have done this on purpose?

- So who poisoned 'em? - We're not sure yet if it was done on purpose.