"...and then, when you do something really bad, they throw you in the cage."
"They throw you where? Who? Who throws you in cage?"
"The policeman will throw you in that cage thing if you do something bad."
"Oh no, that's called jail."
"Why do people go to jail?"
"Because they've done something bad that they knew they weren't supposed to do."
She pauses, and you can tell she's deep in thought. Then she asks...
"Do kids go to jail?"
"No. Kids don't usually go to jail."
"Oh, so you don't think Connor's going to jail for eating the play-do, even though he knew better?"
"No, probably not."