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

Context:

Islands in the Stream is a 1977 American drama film, an adaptation of Ernest Hemingway's novel of the same name. The film was directed by Franklin J. Schaffner and starred George C. Scott, Hart Bochner, Claire Bloom, Gilbert Roland, and David Hemmings.

Hypothesis: Jane Hemingway wrote the book Island in the Stream.
Choose from:
[a]. Yes;
[b]. It's impossible to say;
[c]. No;
[c].