Tennyson's description of the lake into which an anguished Arthur throws his sword Excalibur is based on Bassenthwaite.
Arthur was very happy when he threw Excalibur away.
mnli hypothesis: Arthur was very happy when he threw Excalibur away. premise: Tennyson's description of the lake into which an anguished Arthur throws his sword Excalibur is based on Bassenthwaite.