text_original: But his hopes proved to be baseless, whereas Mazarin's policy proved successful.
text_transcription: BUT HIS HOPES PROVED TO BE BASELESS WHEREAS MAZARIN'S POLICY PROVED SUCCESSFUL
phonemes: bˌʌt hɪz hˈoʊps pɹˈuːvd təbi bˈeɪsləs, wˈɛɹæz mˈæzɚɹˌɪnz pˈɑːlɪsi pɹˈuːvd səksˈɛsfəl.