Here is a premise:
Mrs. Inglethorp is out, and he sits down to write to his accomplice, who, he fears, may be in a panic at the nonsuccess of their plan.

Here is a hypothesis:
Mrs. Inglethorp is inside, and he is not writing to his accomplice.

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?
(c).