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.
( ( ( ( ( ( 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 ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (CD One) (NN thing)) (VP (VBD was) (VP (VBG worrying) (NP (PRP me)) (ADVP (RB dreadfully))))) (, ,) (CC but) (S (NP (PRP$ my) (NN heart)) (VP (VBD gave) (NP (NP (DT a) (JJ great) (NN throb)) (PP (IN of) (NP (NN relief)))) (SBAR (WHADVP (WRB when)) (S (NP (PRP I)) (VP (VBD saw) (NP (NP (PRP$ my) (NN ulster) (VBG lying) (NN carelessly)) (PP (IN over) (NP (NP (DT the) (NN back)) (PP (IN of) (NP (DT a) (NN chair))))))))))) (. .)))
The chair was tall and made of wood. 
( ( The chair ) ( ( was ( ( tall and ) ( made ( of wood ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN chair)) (VP (VBD was) (UCP (ADJP (JJ tall)) (CC and) (VP (VBN made) (PP (IN of) (NP (NN wood)))))) (. .)))