(S (S (NP (NP (BASENP (JJ Non-governmental) (NNS organizations)) (PRN (LRB -LRB-) (BASENP (NNS NGOs)) (RRB -RRB-))) (PP (IN throughout) (NP (BASENP (NNP Europe)) (CC and) (BASENP (DT the) (NNP United) (NNPS States))))) (VP (VBP are) (VP (ADVP (RB currently)) (VP (VBG assembling) (NP (BASENP (DT a) (NN flotilla)) (PP (IN of) (NP (NP (QP (ADVP (RB up) (TO to)) (NN 20)) (NNS ships)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (MD will) (VP (VP (VP (VB set) (NP (BASENP (NN sail)) (PP (IN for) (BASENP (DT the) (NNP Gaza) (NN strip))))) (PP (IN in) (BASENP (DT the) (JJ coming) (NNS months)))) (PP (IN in) (NP (BASENP (DT an) (NN attempt)) (S (VP (VB break) (NP (BASENP (DT the) (JJ Israeli) (NN blockade)) (PP (IN of) (BASENP (DT the) (JJ Palestinian) (NN territory))))))))))))))))))) (PERIOD .))