The anthropologist Napoleon Chagnon has shown that Yanomamo men who have killed other men have more wives and more offspring than average guys.
( ( The ( anthropologist ( Napoleon Chagnon ) ) ) ( ( has ( shown ( that ( ( ( Yanomamo men ) ( who ( have ( killed ( other men ) ) ) ) ) ( have ( ( ( more wives ) and ) ( ( more offspring ) ( than ( average guys ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ anthropologist) (NNP Napoleon) (NNP Chagnon)) (VP (VBZ has) (VP (VBN shown) (SBAR (IN that) (S (NP (NP (NNP Yanomamo) (NNS men)) (SBAR (WHNP (WP who)) (S (VP (VBP have) (VP (VBN killed) (NP (JJ other) (NNS men))))))) (VP (VBP have) (NP (NP (JJR more) (NNS wives)) (CC and) (NP (NP (JJR more) (NN offspring)) (PP (IN than) (NP (JJ average) (NNS guys)))))))))) (. .)))
There is a direct correlation between Yanomamo killers and the amount of wives a man has.
( There ( ( is ( ( ( ( a ( direct correlation ) ) ( between ( Yanomamo killers ) ) ) and ) ( ( the amount ) ( of ( wives ( ( a man ) has ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (NP (NP (NP (DT a) (JJ direct) (NN correlation)) (PP (IN between) (NP (NNP Yanomamo) (NNS killers)))) (CC and) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (NNS wives)) (SBAR (S (NP (DT a) (NN man)) (VP (VBZ has))))))))) (. .)))