Initially, his successors could be drawn from the Prophet's contemporaries, but with time, this was no longer possible.
( ( ( ( ( Initially ( , ( ( his successors ) ( could ( be ( drawn ( from ( ( the ( Prophet 's ) ) contemporaries ) ) ) ) ) ) ) ) , ) but ) ( ( with time ) ( , ( this ( was ( ( no longer ) possible ) ) ) ) ) ) . )
(ROOT (S (S (ADVP (RB Initially)) (, ,) (NP (PRP$ his) (NNS successors)) (VP (MD could) (VP (VB be) (VP (VBN drawn) (PP (IN from) (NP (NP (DT the) (NN Prophet) (POS 's)) (NNS contemporaries))))))) (, ,) (CC but) (S (PP (IN with) (NP (NN time))) (, ,) (NP (DT this)) (VP (VBD was) (ADJP (ADVP (RB no) (RBR longer)) (JJ possible)))) (. .)))
The successors were never taken from the Prophet's contemporaries.
( ( The successors ) ( ( ( were never ) ( taken ( from ( ( the ( Prophet 's ) ) contemporaries ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS successors)) (VP (VBD were) (ADVP (RB never)) (VP (VBN taken) (PP (IN from) (NP (NP (DT the) (NN Prophet) (POS 's)) (NNS contemporaries))))) (. .)))