( ( ( Successful competition ) ( in ( its ( sharpest form ) ) ) ) ( ( eliminates ( its competitor ) ) . ) )
(ROOT (S (NP (NP (JJ Successful) (NN competition)) (PP (IN in) (NP (PRP$ its) (JJS sharpest) (NN form)))) (VP (VBZ eliminates) (NP (PRP$ its) (NN competitor))) (. .)))
Successful competition in its sharpest form eliminates its competitor.
(ROOT (S (NP (NP (QP (DT Half))) (PP (IN of) (NP (NP (DT the) (NNS neurons)) (VP (VBN formed) (PP (IN in) (NP (DT the) (NN embryo))))))) (VP (VBP are) (VP (VBN eliminated) (PP (RB because) (IN of) (NP (NN competition)))))))