If a guest at an establishment is served until intoxicated and becomes violent or unruly, how should the situation be handled?

A) Seek the help of other employees. Do not call the police because the establishment will be liable for serving an intoxicated person.
B) Call the police and then try to physically restrain the guest until the police arrive.
C) Inform the manager as soon as trouble starts. Call the police immediately if anyone's safety is threatened.
D) Ask the doorstaff to physically remove the intoxicated guest from the establishment.