What is the difference, if any, between a social media strategist and a social media specialist?

a)there is no difference—these are the same job with slightly different titles.

b)a social media specialist determines how an organization will maintain a social media presence, and the strategist creates the content.

c)they are very similar occupations, except that social media specialists tend to have more training.

d)a social media strategist determines how an organization will maintain a social media presence, and the specialist creates the content.
~ plz , i've looked everywhere but for some reason they don't have answers for fundamentals of social media ~