Initially, the wraith does not trust Sheppard, believing that the chances of escaping were zero, but he gradually becomes impressed by Sheppards unwaning hope that his people will come to save him.
The wraith does not trust Sheppard. This is initially. The chances of escaping were zero. This was what the wraith was believing. His people will come to save him. He gradually becomes impressed by Sheppards. This Sheppards is unwaning hope this.