Question

Which sentence is punctuated correctly?

The meeting was only supposed to be an hour; however, it ran for nearly three hours.

The meeting was only supposed to be an hour, however; it ran for nearly three hours.

The meeting was only supposed to be an hour however, it ran for nearly three hours.

The meeting was only supposed to be an hour: however, it ran for nearly three hours.

Answer 1

The meeting was only supposed to be an hour; however, it ran for nearly three hours.

Answer 2

I think the answer is a