Given the document below, you have to determine if "Yes" or "No", the summary is factually consistent with the document.

Document:
| NAME_1: Did you hear what happened at school today? | NAME_2: No? | NAME_1: There's been kind of an emergency, gas leak or something. | NAME_2: Oh, I hope it's nothing serious. Did they called fire units? | NAME_1: Yep, three engines and ambulance. It turned out to be a drill. | NAME_2: It's better this way than the other.

Summary:
1. There was an emergency at school today, but it turned out to be a drill.

Is the summary factually consistent with the document? (Yes/No)
Start your answer explicitly with "Yes" or "No", and if you answer no, explain which sentence is inconsistent and why.
 Do not say any word before repeating the exact request.
user