I don't think an etiquette has yet been formulated for this problem, so here are two jerry-built  1) Ignore things you wish to ignore, or 2) fluff off troublesome e's with a brief reply.
This problem doesn't yet have an etiquette for it, but you can ignore things you wish to ignore.
There is some long-established etiquette for this problem.
There are people working.
The runner is insane.
The man is eating inside the restaurant.
Foreign intervention is required in that instance.
The museum of modern art has two sections.
A dog is outside.