( ( Size ( of ( the ( overlapping area ) ) ) ) ( ( ( was negatively ) ( ( ( correlated ( with ( distance ( between ( activity centers ) ) ) ) ) and ) ( positively ( correlated ( with ( ( mean size ) ( of ( the ( two ( neighbors ranges ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Size)) (PP (IN of) (NP (DT the) (VBG overlapping) (NN area)))) (VP (VBD was) (ADVP (RB negatively)) (VP (VP (VBN correlated) (PP (IN with) (NP (NP (NN distance)) (PP (IN between) (NP (NN activity) (NNS centers)))))) (CC and) (VP (ADVP (RB positively)) (VBN correlated) (PP (IN with) (NP (NP (JJ mean) (NN size)) (PP (IN of) (NP (DT the) (CD two) (NNS neighbors) (NNS ranges)))))))) (. .)))
Size of the overlapping area was negatively correlated with distance between activity centers and positively correlated with mean size of the two neighbors ranges.
(ROOT (S (NP (NNP Distance)) (VP (VBZ is) (VP (VBN defined) (PP (IN as) (NP (NP (DT the) (NN magnitude) (CC or) (NN size)) (PP (IN of) (NP (NP (NN displacement)) (PP (IN between) (NP (CD two) (NNS positions))))))))) (. .)))