Consider the premise. Does the hypothesis stand independently without contradicting or following it? Premise: So he goes out and walks in the woods, little dreaming that Mrs. Inglethorp will open his desk, and discover the incriminating document.  Hypothesis: Taking his dog with him, he walks into the woods.
So he goes out and walks in the woods, little dreaming that Mrs. Inglethorp will open his desk, and discover the incriminating document. ###Taking his dog with him, he walks into the woods.