( Accuracy ( ( is ( ( the ( most important ) ) ( of ( the ( selection factors ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Accuracy)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ important))) (PP (IN of) (NP (DT the) (NN selection) (NNS factors))))) (. .)))
Accuracy is the most important of the selection factors.
(ROOT (S (NP (NNP Community) (NNS interactions)) (VP (VBP are) (NP (NP (JJ important) (NNS factors)) (PP (IN in) (NP (JJ natural) (NN selection))))) (. .)))