Secondly, you should note that {vaj} is not a conjunction. It’s an adverbial. It’s often used on the main clause after a conditional (dependent) clause. It’s not really intended to connect independent clauses like a conjunction does, though it can introduce a second sentence that results from the first. “I speak Klingon. Therefore, I am a nerd.” {tlhIngan Hol vIjatlhlaH. vaj jIven.} In translation, you can replace the period with a comma, but in Klingon, it’s actually two sentences.
Strictly speaking, punctuating like this: I speak Klingon,
therefore, I am a nerd, is a run-on sentence. These remain
independent clauses, so they must be connected with a semicolon: I
speak Klingon; therefore, I am a nerd.
-- SuStel http://trimboli.name