( ( Having ( ( ( ( four cells ) , ) or ) cavities ) ) ; )
(ROOT (S (VP (VBG Having) (NP (NP (CD four) (NNS cells)) (, ,) (CC or) (NP (NNS cavities)))) (: ;)))
Having four cells, or cavities;
(ROOT (S (NP (NNS Cells)) (VP (VBP have) (NP (CD four) (NNS cycles))) (. .)))