( Externally ( , ( ( monkey ears ) ( ( are ( ( shaped much ) ( like ( human ears ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Externally)) (, ,) (NP (NN monkey) (NNS ears)) (VP (VBP are) (VP (VBN shaped) (ADVP (RB much)) (PP (IN like) (NP (JJ human) (NNS ears))))) (. .)))
Externally, monkey ears are shaped much like human ears.
(ROOT (S (NP (DT The) (NNS ears)) (VP (VBP are) (NP (NP (DT an) (JJ external) (NN feature)) (PP (IN in) (NP (JJ human) (NNS beings))) (SBAR (S (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NN balance))))))))) (. .)))