(S (S (NP (QP (ADVP (IN At) (JJS least)) (NN 18)) (BASENP (JJ other) (NNS organizations))) (VP (VBP have) (VP (VBN signed) (NP (BASENP (NNS documents)) (PP (IN in) (NP (BASENP (NN defense)) (PP (IN of) (BASENP (NNP Wikileaks))))))))) (PERIOD .))