Complex sentence: A statue near the entrance, unveiled in 1947, shows him denouncing the immoral life of King Theuderic II. Formally an abbey church, the basilica contains old monastic buildings, which have been used as a minor seminary since the nineteenth century.
Split into simpler sentences: A statue near the entrance (unveiled in 1947) shows him denouncing the immoral life of King Theuderich. This was formerly an abbey church, and contains old monastic buildings, which have been used as a minor seminary since the nineteenth century.