But what do we know there's a good chance that there's a female on board, Ro thought grimly, remembering the attack on Macet.
From Star Trek Deep Space Nine Unity by, S.D. Perry
A complex sentence is created by the combination of a subordinate clause, an appositive, and a participial phrase. Used to add some intensity to the scene.
How is a war to be ended in peace, he thought suddenly, knowing about past wars.