Complex sentence: Lines 11-13 are denoted as "Catullus 2b" and differ significantly in tone and subject from the first 10 lines; hence, these latter three lines may belong to a different poem, although most scholars do not believe so.
Split into simpler sentences: Lines 11-13 are denoted as "Catullus 2b" and differ significantly in tone and subject from the first 10 lines. Hence, these latter three lines may belong to a different poem, although most scholars do not believe so.