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)))) (. .)))
The Taliban cemented ties in Jalalabad and Kabul
( ( The Taliban ) ( ( cemented ties ) ( in ( ( Jalalabad and ) Kabul ) ) ) )
(ROOT (S (NP (DT The) (NNP Taliban)) (VP (VBD cemented) (NP (NNS ties)) (PP (IN in) (NP (NNP Jalalabad) (CC and) (NNP Kabul))))))