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))))))) (. .)))
Eventually, the besieging soldiers had to give up and go home.
( Eventually ( , ( ( the ( besieging soldiers ) ) ( ( had ( to ( ( ( give up ) and ) ( go home ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Eventually)) (, ,) (NP (DT the) (VBG besieging) (NNS soldiers)) (VP (VBD had) (S (VP (TO to) (VP (VP (VB give) (PRT (RP up))) (CC and) (VP (VB go) (NP (NN home))))))) (. .)))