( ( Another ( important ( selection factor ) ) ) ( ( was reproducibility ) . ) )
(ROOT (S (NP (DT Another) (JJ important) (NN selection) (NN factor)) (VP (VBD was) (ADVP (RB reproducibility))) (. .)))
Another important selection factor was reproducibility.
(ROOT (S (NP (NNP Community) (NNS interactions)) (VP (VBP are) (NP (NP (JJ important) (NNS factors)) (PP (IN in) (NP (JJ natural) (NN selection))))) (. .)))