( He ( ( accepts ( ( only ( the evidence ) ) ( that ( fits ( his theory ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ accepts) (NP (NP (RB only) (DT the) (NN evidence)) (SBAR (WHNP (WDT that)) (S (VP (VBZ fits) (NP (PRP$ his) (NN theory))))))) (. .)))
He accepts only the evidence that fits his theory.
(ROOT (S (NP (NN Evidence)) (VP (VBZ allows) (S (NP (NNS theories)) (VP (TO to) (VP (VB be) (VP (ADVP (RB widely)) (VBN accepted)))))) (. .)))