Complex sentence: His remarks preceded the Congregation for Catholic Education's publishing of a document in November that some speculated may ban gay men, from training for the priesthood although it was later clarified to only apply to men who did not live chastely for at least three years.
Split into simpler sentences: His remarks preceded the Congregation for Catholic Education's publishing of a document in November that some speculated might ban gay men from training for the priesthood. This ban was later clarified to only apply to men who did not live chastely for at least three years.