( ( prokaryotic cells ) ( ( ( do not ) ( have ( ( ( a nucleus ) & ) ( ( eukaryotic cells ) do ) ) ) ) . ) )
(ROOT (S (NP (JJ prokaryotic) (NNS cells)) (VP (VBP do) (RB not) (VP (VB have) (NP (NP (DT a) (NN nucleus)) (CC &) (NP (NP (JJ eukaryotic) (NNS cells)) (SBAR (S (VP (VBP do)))))))) (. .)))
prokaryotic cells do not have a nucleus &amp; eukaryotic cells do.
(ROOT (S (NP (NP (DT The) (JJ main) (NN difference)) (PP (IN between) (NP (ADJP (JJ eukaryotic) (CC and) (JJ prokaryotic)) (NNS cells)))) (VP (VBZ is) (SBAR (IN that) (S (NP (JJ eukaryotic) (NNS cells)) (VP (VBP have) (NP (DT a) (NN nucleus)))))) (. .)))