He's chosen Meg Ryan.
( He ( ( 's ( chosen ( Meg Ryan ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ 's) (VP (VBN chosen) (NP (NNP Meg) (NNP Ryan)))) (. .)))
A possible selection would be Meg Ryan or Jon Doe.
( ( A ( possible selection ) ) ( ( would ( be ( ( ( Meg Ryan ) or ) ( Jon Doe ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ possible) (NN selection)) (VP (MD would) (VP (VB be) (NP (NP (NNP Meg) (NNP Ryan)) (CC or) (NP (NNP Jon) (NNP Doe))))) (. .)))