( Eliminate ( Competition - ) )
(ROOT (NP (JJ Eliminate) (NN Competition) (: -)))
Eliminate Competition -
(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)))))))