( ( ( The ( medium ( wave frequency ) ) ) ( of ( 1593 kHz ) ) ) ( ( was ( given ( to ( Radio ( Free Europe ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ medium) (NN wave) (NN frequency)) (PP (IN of) (NP (CD 1593) (NN kHz)))) (VP (VBD was) (VP (VBN given) (PP (TO to) (NP (NNP Radio) (NNP Free) (NNP Europe))))) (. .)))
The medium wave frequency of 1593 kHz was given to Radio Free Europe.
(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))) (. .)))