(S (S (ADVP (RB Initially)) (S (BASENP (DT the) (NN agency)) (VP (VBD had) (VP (VBN predicted) (SBAR (IN that) (S (NP (BASENP (DT the) (NN depth)) (PP (IN of) (BASENP (DT the) (FW tsunami)))) (VP (MD would) (VP (VB be) (NP (BASENP (NN three) (NNS feet)) (PRN (LRB -LRB-) (BASENP (NN one) (NN metre)) (RRB -RRB-))))))))))) (PERIOD .))