(S (S (S (NP (QP (ADVP (IN At) (JJS least)) (NN 20)) (BASENP (JJ other) (NNS troops))) (VP (VBD were) (ADJP (JJ injured)))) (CC and) (S (BASENP (QP (ADVP (IN at) (JJS least)) (NN 15))) (VP (VBP are) (VP (VBN reported) (S (VP (TO to) (VP (VB be) (ADJP (JJ missing))))))))) (PERIOD .))