(S (S (BASENP (JJ Four) (NNS bombs)) (VP (VP (VBD blasted) (PP (IN at) (NP (BASENP (JJ popular) (JJ seaside) (NNS resorts)) (PP (IN in) (BASENP (JJ northern) (NNP Spain)))))) (PP (IN on) (BASENP (NNP Sunday))))) (PERIOD .))