But after September 1996, when first Jalalabad and then Kabul fell to the Taliban, Bin Ladin cemented his ties with them.
( But ( ( after ( September 1996 ) ) ( , ( ( when ( ( ( ( ( first Jalalabad ) and ) then ) Kabul ) ( fell ( to ( the Taliban ) ) ) ) ) ( , ( ( Bin Ladin ) ( ( ( cemented ( his ties ) ) ( with them ) ) . ) ) ) ) ) ) )
(ROOT (S (CC But) (PP (IN after) (NP (NNP September) (CD 1996))) (, ,) (SBAR (WHADVP (WRB when)) (S (NP (NP (JJ first) (NNS Jalalabad)) (CC and) (ADVP (RB then)) (NP (NNP Kabul))) (VP (VBD fell) (PP (TO to) (NP (DT the) (NNP Taliban)))))) (, ,) (NP (NNP Bin) (NNP Ladin)) (VP (VBD cemented) (NP (PRP$ his) (NNS ties)) (PP (IN with) (NP (PRP them)))) (. .)))
Bin Ladin lead the Taliban to conquer Kabul.
( ( Bin Ladin ) ( ( lead ( ( the Taliban ) ( to ( conquer Kabul ) ) ) ) . ) )
(ROOT (S (NP (NNP Bin) (NNP Ladin)) (VP (VBP lead) (S (NP (DT the) (NNP Taliban)) (VP (TO to) (VP (VB conquer) (NP (NNP Kabul)))))) (. .)))