( It ( ( is ( ( ( the phase ) ( of ( ( a ( female 's ) ) ( menstrual cycle ) ) ) ) ( when ( ( ( an egg ) ( -LRB- ( ovule -RRB- ) ) ) ( is ( released ( from ( the ovaries ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (NP (NP (DT the) (NN phase)) (PP (IN of) (NP (NP (DT a) (NN female) (POS 's)) (JJ menstrual) (NN cycle))) (SBAR (WHADVP (WRB when)) (S (NP (NP (DT an) (NN egg)) (PRN (-LRB- -LRB-) (NP (NN ovule)) (-RRB- -RRB-))) (VP (VBZ is) (VP (VBN released) (PP (IN from) (NP (DT the) (NNS ovaries))))))))) (. .)))
It is the phase of a female's menstrual cycle when an egg(ovule) is released from the ovaries.
(ROOT (S (NP (NP (DT The) (NN release)) (PP (IN of) (NP (NP (DT an) (NN egg)) (PP (IN from) (NP (DT an) (NN ovary)))))) (, ,) (VP (VBZ is) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (JJ menstrual) (NN cycle))))) (. .)))