See the multi-choice question below:

Sentence 1: So, if the war was constitutional in 1991-92, the war is still constitutional now--nothing in the resolution specified a time limit.

Sentence 2: The resolution does not specify when the war stops being constitutional.

If the first sentence is true, then is the second sentence true?
Choose your answer from:
(A). yes;
(B). it is not possible to tell;
(C). no;
(A).