He loved her.
( He ( ( loved her ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD loved) (NP (PRP her))) (. .)))
He loved her for her smile.
( He ( ( ( loved her ) ( for ( her smile ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD loved) (NP (PRP her)) (PP (IN for) (NP (PRP$ her) (NN smile)))) (. .)))