Peter: Did you hear what happened at school today?
Jack: No?
Peter: There’s been kind of an emergency, gas leak or something.
Jack: Oh, I hope it’s nothing serious. Did they called fire units?
Peter: Yep, three engines and ambulance. It turned out to be a drill.
Jack: It’s better this way than the other. 
There was an emergency at school today. Three engines and ambulance came, but it was a drill.