Answer:
a. reminder institutional
Explanation:
The reminder institutional advertising is the advertising in which the entity tries for building the goodwill or the reputation for its entity rather doing the promotion of the company goods and services
Since in the question it is mentioned that the Visit California is responsible for tourism promoting and in the present time they run an add i.e. successful that called the average Joes
So as per this, the option a is correct as it remind the people about this ad