Consider the premise. Does the hypothesis directly oppose it? Premise: One thing was worrying me dreadfully, but my heart gave a great throb of relief when I saw my ulster lying carelessly over the back of a chair. Hypothesis: There was one thing that I had been worried about. 
One thing was worrying me dreadfully, but my heart gave a great throb of relief when I saw my ulster lying carelessly over the back of a chair.###There was one thing that I had been worried about. 