( ( Radio waves ) ( ( ( ( overlap ( into ( frequencies ( in ( the ( audible range ) ) ) ) ) ) , ) ( starting ( ( as ( low ( as 5,000 ) ) ) Hz ) ) ) . ) )
(ROOT (S (NP (NNP Radio) (NNS waves)) (VP (VBP overlap) (PP (IN into) (NP (NP (NNS frequencies)) (PP (IN in) (NP (DT the) (JJ audible) (NN range))))) (, ,) (S (VP (VBG starting) (NP (QP (RB as) (JJ low) (IN as) (CD 5,000)) (NNS Hz))))) (. .)))
Radio waves overlap into frequencies in the audible range, starting as low as 5,000 Hz.
(ROOT (S (NP (NNP Am) (NN radio) (NNS waves)) (VP (VBP exist) (PRT (RP in)) (NP (DT the) (ADJP (QP (CD 540) (TO to) (CD 1600))) (NN khz) (NN frequency) (NN range))) (. .)))