( ( A ( eukaryote ( -LRB- -RRB- ) ) ) ( ( is ( ( any organism ) ( ( whose cells ) ( contain ( ( ( a nucleus ) and ) ( ( other organelles ) ( enclosed ( within membranes ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ eukaryote) (NNS -LRB-) (-RRB- -RRB-)) (VP (VBZ is) (NP (NP (DT any) (NN organism)) (SBAR (WHNP (WP$ whose) (NNS cells)) (S (VP (VBP contain) (NP (NP (DT a) (NN nucleus)) (CC and) (NP (NP (JJ other) (NNS organelles)) (VP (VBN enclosed) (PP (IN within) (NP (NNS membranes))))))))))) (. .)))
A eukaryote ( ) is any organism whose cells contain a nucleus and other organelles enclosed within membranes.
(ROOT (S (PP (IN Along) (PP (IN with) (NP (JJ other) (NNS organelles)))) (, ,) (NP (DT all) (JJ eukaryotic) (NNS cells)) (VP (VBP possess) (NP (NN nucleus))) (. .)))