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

Context:

Shirley's World is a television series aired first by American Broadcasting Company during the U.S. 1971-72 television season. The sitcom was co-produced by the British ITC Entertainment and American producer Sheldon Leonard; it starred Shirley MacLaine as a photojournalist and John Gregson as her editor at "World Illustrated" magazine.

Hypothesis: Shirley's World is a television series best known for John Gregson's performance.
Pick your answer from: (a). Yes. (b). It's impossible to say. (c). No.
(b).