(S (S (NP (BASENP (DT The) (NNP United) (NNPS Nations)) (PRN (LRB -LRB-) (BASENP (NNP UN)) (RRB -RRB-))) (VP (PP (IN on) (BASENP (NNP Friday))) (VP (VP (VBD called) (PP (IN on) (NP (BASENP (DT the) (NN government)) (PP (IN of) (BASENP (NNP Pakistan)))))) (S (VP (TO to) (VP (VB investigate) (NP (BASENP (JJ numerous) (NNS killings) (CC and) (NNS abductions)) (COMMA ,) (PP (ADVP (RB particularly)) (PP (IN of) (BASENP (NNS journalists))))))))))) (PERIOD .))