(S (S (BASENP (DT The) (NN four) (NNS bombs)) (VP (VBD exploded) (PP (IN between) (NP (NP (BASENP (NN 1100)) (PRN (LRB -LRB-) (NP (BASENP (NN 1000)) (BASENP (NN GMT))) (RRB -RRB-))) (CC and) (BASENP (NN 1400)))))) (PERIOD .))