( ( While ( ( the sperm ) ( are ( generated daily ) ) ) ) ( , ( ( the ovum ) ( ( is ( produced ( before ( ( the birth ) ( of ( the ( girl child ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN While) (S (NP (DT the) (NN sperm)) (VP (VBP are) (VP (VBN generated) (ADVP (RB daily)))))) (, ,) (NP (DT the) (NN ovum)) (VP (VBZ is) (VP (VBN produced) (PP (IN before) (NP (NP (DT the) (NN birth)) (PP (IN of) (NP (DT the) (NN girl) (NN child))))))) (. .)))
While the sperm are generated daily, the ovum is produced before the birth of the girl child.
(ROOT (S (SBAR (IN While) (S (NP (NNS spermatogenesis)) (VP (VBZ produces) (NP (CD four) (JJ haploid) (NN sperm) (NNS cells))))) (, ,) (NP (NNS oogenesis)) (VP (VBZ produces) (NP (CD one) (JJ mature) (NN ovum))) (. .)))