a complex psychological drama about a father who returns to his son 's home after decades away . 
(ROOT (NP (NP (DT a) (JJ complex) (JJ psychological) (NN drama)) (PP (IN about) (NP (NP (DT a) (NN father)) (SBAR (WHNP (WP who)) (S (VP (VBZ returns) (PP (IN to) (NP (NP (PRP$ his) (NN son) (POS 's)) (NN home))) (PP (IN after) (NP (NNS decades) (RB away)))))))) (. .)))
(ROOT (NP (NP (DT ) (JJ ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WP )) (S (VP (VBZ ) (PP (IN ) (NP (NP (PRP$ ) (NN ) (POS )) (NN ))) (PP (IN ) (NP (NNS ) (RB )))))))) (. )))