well his knees were bothering him yeah
( ( well ( his knees ) ) ( were ( bothering ( him yeah ) ) ) )
(ROOT (S (NP (RB well) (PRP$ his) (NNS knees)) (VP (VBD were) (VP (VBG bothering) (S (NP (PRP him)) (ADJP (JJ yeah)))))))
His knees were giving him problems.
( ( His knees ) ( ( were ( ( giving him ) problems ) ) . ) )
(ROOT (S (NP (PRP$ His) (NNS knees)) (VP (VBD were) (VP (VBG giving) (NP (PRP him)) (NP (NNS problems)))) (. .)))