Which sentence is punctuated correctly?
The presidential China Room displays all the White House china, in fact; almost every past president is represented there.
The presidential China Room displays all the White House china: in fact, almost every past president is represented there.
The presidential China Room displays all the White House china, in fact, almost every past president is represented there.
The presidential China Room displays all the White House china; in fact, almost every past president is represented there.