(S (S (NP (BASENP (NNS Residents)) (PP (IN of) (NP (NP (NP (NP (NP (BASENP (NNP Leona) (NNP Valley)) (COMMA ,) (BASENP (NNP Lake) (NNP Elizabeth))) (COMMA ,) (BASENP (NNP Ritter) (NNP Ranch))) (COMMA ,) (BASENP (NNP Rancho) (NNP Vista))) (COMMA ,) (BASENP (NNP Ana) (NNP Verde))) (CC and) (BASENP (NNP Palmdale))))) (VP (VP (VP (VBD received) (BASENP (JJ Reverse) (NN 911) (NN telephone) (NNS calls))) (BASENP (JJ last) (NN night))) (S (VP (VP (VBG alerting) (BASENP (PRP them))) (PP (IN of) (BASENP (JJ mandatory) (NNS evacuations))))))) (PERIOD .))