(S (S (PP (IN In) (BASENP (DT that) (NN attack))) (S (S (S (BASENP (NN three) (NNS civilians)) (VP (VBD were) (VP (VBN killed)))) (S (BASENP (NN 39) (NNS people)) (VP (VBD were) (VP (VBN wounded))))) (FRAG (NP (BASENP (JJS most)) (PP (IN of) (BASENP (PRP them)))) (ADVP (RB critically))))) (PERIOD .))