Adrin nodded.
( Adrin ( nodded . ) )
(ROOT (S (NP (NNP Adrin)) (VP (VBD nodded)) (. .)))
Adrin nodded his head.
( Adrin ( ( nodded ( his head ) ) . ) )
(ROOT (S (NP (NNP Adrin)) (VP (VBD nodded) (NP (PRP$ his) (NN head))) (. .)))