See the multi-choice question below:

Sentence 1: Navy saved us from war, rages Buchanan in angry response to the suggestion that Kofi Annan's diplomacy ended the Iraq crisis.

Sentence 2: The iraq crisis was caused by the Bush administration.

If the first sentence is true, then is the second sentence true?
Options:
-- yes.
-- it is not possible to tell.
-- no.
it is not possible to tell