text_original: He was the very best runner at school, which was, of course, of the greatest assistance to him in doing this wonderful thing.
text_transcription: HE WAS THE VERY BEST RUNNER AT SCHOOL WHICH WAS OF COURSE OF THE GREATEST ASSISTANCE TO HIM IN DOING THIS WONDERFUL THING
phonemes: hiː wʌzðə vˈɛɹi bˈɛst ɹˈʌnɚɹ æt skˈuːl, wˈɪtʃ wʌz, ʌv kˈɔːɹs, ʌvðə ɡɹˈeɪɾɪst ɐsˈɪstəns tə hˌɪm ɪn dˌuːɪŋ ðɪs wˈʌndɚfəl θˈɪŋ.