he watches them as they float within the seas of their personalities . 
(ROOT (S (NP (PRP he)) (VP (VBZ watches) (NP (PRP them)) (SBAR (IN as) (S (NP (PRP they)) (VP (VBP float) (PP (IN within) (NP (NP (DT the) (NNS seas)) (PP (IN of) (NP (PRP$ their) (NNS personalities))))))))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBZ ) (NP (PRP )) (SBAR (IN ) (S (NP (PRP )) (VP (VBP ) (PP (IN ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (PRP$ ) (NNS ))))))))) (. )))