seems content to dog-paddle in the mediocre end of the pool , and it 's a sad , sick sight . 
(ROOT (S (S (VP (VBZ seems) (ADJP (JJ content) (S (VP (TO to) (VP (VB dog-paddle) (PP (IN in) (NP (NP (DT the) (JJ mediocre) (NN end)) (PP (IN of) (NP (DT the) (NN pool))))))))))) (, ,) (CC and) (S (NP (PRP it)) (VP (VBZ 's) (NP (DT a) (JJ sad) (, ,) (JJ sick) (NN sight)))) (. .)))
(ROOT (S (S (VP (VBZ ) (ADJP (JJ ) (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NN ))))))))))) (, ) (CC ) (S (NP (PRP )) (VP (VBZ ) (NP (DT ) (JJ ) (, ) (JJ ) (NN )))) (. )))