(S (S (NP (BASENP (DT A) (NN series)) (PP (IN of) (BASENP (NNS explosions)))) (VP (VBP have) (VP (VP (VBN hit) (NP (BASENP (DT an) (JJ Albanian) (NNS arms) (NN depot)) (PP (IN near) (BASENP (NNP Tirana))))) (COMMA ,) (S (VP (VBG leaving) (S (NP (QP (ADVP (IN at) (JJS least)) (NN 155)) (NNS people)) (ADJP (JJ injured)))))))) (PERIOD .))