Here is a premise:
That is, for the first three types of case studies (illustrative, exploratory, and critical instances) generalizability, if needed, cannot be achieved unless they are combined with other methods.

Here is a hypothesis:
Generalizability is easily achieved within the context of the first three types of case studies.

Here are the options: Available options:
1). yes
2). it is not possible to tell
3). no
Is it possible to conclude that if the premise is true, then so is the hypothesis?
3).