I can't help feeling, I continued blunderingly; "that we've rather left her out of the possible suspects, simply on the strength of her having been away from the place. 
Because she was not present, she must be guilty.
mnli hypothesis: Because she was not present, she must be guilty. premise: I can't help feeling, I continued blunderingly; "that we've rather left her out of the possible suspects, simply on the strength of her having been away from the place. 