He also made use of the already-established Third World Relief Agency (TWRA) headquartered in Vienna, whose branch office locations included Zagreb and Budapest.
( He ( also ( ( made ( use ( of ( ( ( the ( already-established ( Third ( World ( Relief Agency ) ) ) ) ) ( -LRB- ( TWRA -RRB- ) ) ) ( headquartered ( in ( ( Vienna , ) ( ( whose branch ) ( ( office locations ) ( included ( ( Zagreb and ) Budapest ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP He)) (ADVP (RB also)) (VP (VBD made) (NP (NP (NN use)) (PP (IN of) (NP (NP (DT the) (JJ already-established) (NNP Third) (NNP World) (NNP Relief) (NNP Agency)) (PRN (-LRB- -LRB-) (NP (NNP TWRA)) (-RRB- -RRB-)) (VP (VBN headquartered) (PP (IN in) (NP (NP (NNP Vienna)) (, ,) (SBAR (WHNP (WP$ whose) (NN branch)) (S (NP (NN office) (NNS locations)) (VP (VBD included) (NP (NNP Zagreb) (CC and) (NNP Budapest)))))))))))) (. .)))
The Third World Relief Agency had no branch offices.  
( ( The ( Third ( World ( Relief Agency ) ) ) ) ( ( had ( no ( branch offices ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Third) (NNP World) (NNP Relief) (NNP Agency)) (VP (VBD had) (NP (DT no) (NN branch) (NNS offices))) (. .)))