(S (S (PP (IN In) (NP (BASENP (NN addition)) (PP (TO to) (BASENP (DT the) (JJ main) (NN dam))))) (COMMA ,) (S (S (NP (EX there)) (VP (VBP are) (NP (BASENP (NN two) (NN saddle) (NNS dams)) (VP (VBG filling) (NP (BASENP (NNS depressions)) (PP (IN in) (BASENP (DT the) (NN landscape)))))))) (SBAR (IN so) (S (BASENP (NN flood) (NNS waters)) (VP (VBP flow) (PP (PP (IN over) (BASENP (DT the) (NN spillway))) (CC and) (PP (ADVP (RB not)) (PP (IN out) (NP (BASENP (DT the) (NNS sides)) (PP (IN of) (BASENP (DT the) (NN lake)))))))))))) (PERIOD .))