(S (S (NP (BASENP (NNS Towns)) (PP (IN like) (NP (BASENP (NNP Ambato) (CC or) (NNP Riobamba)) (COMMA ,) (ADVP (BASENP (NN 30) (NN km)) (ADVP (RB away) (PP (IN from) (BASENP (DT the) (NN volcano)))))))) (VP (VBP have) (VP (VBN been) (VP (VBN covered) (PP (IN with) (NP (NP (QP (ADVP (RB up) (TO to)) (NN 5cm))) (PP (IN of) (BASENP (NN ash))))))))) (PERIOD .))