A conventional siege was useless against such a seemingly impregnable rock, however, and with so much food and water the Zealots could not be starved into submission.
( ( ( ( ( ( A ( conventional siege ) ) ( was ( useless ( against ( ( ( such ( a ( ( seemingly impregnable ) rock ) ) ) , ) however ) ) ) ) ) , ) and ) ( ( with ( ( so much ) ( ( food and ) water ) ) ) ( ( the Zealots ) ( ( could not ) ( be ( starved ( into submission ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT A) (JJ conventional) (NN siege)) (VP (VBD was) (ADJP (JJ useless) (PP (IN against) (NP (NP (JJ such) (DT a) (ADJP (RB seemingly) (JJ impregnable)) (NN rock)) (, ,) (ADVP (RB however))))))) (, ,) (CC and) (S (PP (IN with) (NP (ADJP (RB so) (JJ much)) (NN food) (CC and) (NN water))) (NP (DT the) (NNPS Zealots)) (VP (MD could) (RB not) (VP (VB be) (VP (VBN starved) (PP (IN into) (NP (NN submission))))))) (. .)))
The rock was impossible to get past, so a conventional siege didn't do much.
( ( ( ( ( ( The rock ) ( was ( impossible ( to ( get past ) ) ) ) ) , ) so ) ( ( a ( conventional siege ) ) ( ( did n't ) ( do much ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN rock)) (VP (VBD was) (ADJP (JJ impossible) (S (VP (TO to) (VP (VB get) (NP (NN past)))))))) (, ,) (IN so) (S (NP (DT a) (JJ conventional) (NN siege)) (VP (VBD did) (RB n't) (VP (VB do) (NP (RB much))))) (. .)))