text_original: He was a prosperous man when the opening of the coal vein under his farm made him rich.
text_transcription: HE WAS A PROSPEROUS MAN WHEN THE OPENING OF THE COAL VEIN UNDER HIS FARM MADE HIM RICH
phonemes: hiː wʌzɐ pɹˈɑːspɚɹəs mˈæn wɛn ðɪ ˈoʊpənɪŋ ʌvðə kˈoʊl vˈeɪn ˌʌndɚ hɪz fˈɑːɹm mˌeɪd hˌɪm ɹˈɪtʃ.