( There ( ( are ( ( two types ) ( of ( ( ( ( reproduction , ) Asexual ) and ) ( sexual reproduction ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (NP (NN reproduction)) (, ,) (NP (NNP Asexual)) (CC and) (NP (JJ sexual) (NN reproduction)))))) (. .)))
There are two types of reproduction, Asexual and sexual reproduction.
(ROOT (S (NP (JJ Sexual) (NN reproduction)) (ADVP (RB usually)) (VP (VBP occur) (PP (IN during) (NP (NP (NNS times)) (PP (IN of) (NP (JJ environmental) (NN stress)))))) (. .)))