Can we draw the following hypothesis from the context (see options)?

Context:

Thameslink and Great Northern are the brand names used by the Govia Thameslink Railway train operating company on the Thameslink and Great Northern routes of the Thameslink, Southern and Great Northern franchise, previously operated by First Capital Connect.

Hypothesis: It was previously operated by a different company
OPT: a. Yes; b. It's impossible to say; c. No;
a.