Hosting a large sporting event is associated with externalities. Which of the following is NOT an externality?

A) The construction of the stadium blocks off roads and creates traffic in the host city.

B) A hurricane hits the host city and destroys the new stadium.

C) The stadium dumps its waste into the local drinking supply.

D) The tourists from the event visit local shops and attractions.

E) None of the above; they are all (either positive or negative) externalities.