Here is a premise:
Miss Cowley left the delights (and drudgeries) of her home life early in the war and came up to London, where she entered an officers' hospital.

Here is a hypothesis:
Early in the war, Miss Cowley came to London and entered an officers' hospital.

Here are the options: OPTIONS:
a). yes.
b). it is not possible to tell.
c). no.
Is it possible to conclude that if the premise is true, then so is the hypothesis?
a).