His diet was of wheaten bread,
( ( His diet ) ( ( was ( of ( wheaten bread ) ) ) , ) )
(ROOT (S (NP (PRP$ His) (NN diet)) (VP (VBD was) (PP (IN of) (NP (NN wheaten) (NN bread)))) (, ,)))
He ate mostly carbohydrates in the form of bread.
( He ( ( ( ate ( mostly carbohydrates ) ) ( in ( ( the form ) ( of bread ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD ate) (ADJP (RB mostly) (JJ carbohydrates)) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (NN bread)))))) (. .)))