( ( My ( favorite animals ) ) ( ( are ( sea otters ) ) . ) )
(ROOT (S (NP (PRP$ My) (JJ favorite) (NNS animals)) (VP (VBP are) (NP (NN sea) (NNS otters))) (. .)))
My favorite animals are sea otters.
(ROOT (S (NP (NNP Sea) (NNS otters)) (VP (VBP are) (VP (VBN known) (PP (IN for) (S (VP (VBG being) (ADJP (JJ playful) (CC and) (JJ frisky))))))) (. .)))