But it was quite a natural suggestion for a layman to make."
( But ( it ( ( ( was ( ( quite ( a ( natural suggestion ) ) ) ( for ( a ( layman ( to make ) ) ) ) ) ) . ) '' ) ) )
(ROOT (S (CC But) (NP (PRP it)) (VP (VBD was) (NP (NP (RB quite) (DT a) (JJ natural) (NN suggestion)) (PP (IN for) (NP (DT a) (NN layman) (S (VP (TO to) (VP (VB make)))))))) (. .) ('' '')))
The layman's suggestion was not unreasonable. 
( ( ( The ( layman 's ) ) suggestion ) ( ( ( was not ) unreasonable ) . ) )
(ROOT (S (NP (NP (DT The) (NN layman) (POS 's)) (NN suggestion)) (VP (VBD was) (RB not) (ADJP (JJ unreasonable))) (. .)))