With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adventure Time is a Cartoon Network series created by Pendleton Ward.
text_B: Mariceras is a genus of Late Carboniferous to Early Permian nautilids found in North America and central Asia .. Carboniferous. Carboniferous. Permian. Permian. Its shell is like that of Schyphoceras but is less curved and smoother .. Schyphoceras. Schyphoceras
not_related.