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

Context:

Erotic romance novels are stories written about the development of a romantic relationship through sexual interaction. The sex is an inherent part of the story, character growth, and relationship development, and could not be removed without damaging the storyline.

Hypothesis: Erotic romance novels should contain sex in the storyline.
Available choices:
(I) Yes.
(II) It's impossible to say.
(III) No.
(I)