( ( Sea ( otter trade ) ) ( greatly ( ( declined ( as ( ( the animals ) ( near extinction ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Sea) (NN otter) (NN trade)) (ADVP (RB greatly)) (VP (VBD declined) (PP (IN as) (NP (NP (DT the) (NNS animals)) (PP (IN near) (NP (NN extinction)))))) (. .)))
Sea otter trade greatly declined as the animals near extinction.
(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))))))) (. .)))