With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Emily Browning starred in Blue Heelers.
text_B: Sons of Anarchy  : Songs of Anarchy Vol .. Sons of Anarchy. Sons of Anarchy. 4 is a soundtrack album featuring music from the FX television program Sons of Anarchy , and is a follow-up to the 2013 release Sons of Anarchy  : Songs of Anarchy Vol .. soundtrack album. soundtrack album. FX ( TV channel ). Sons of Anarchy. Sons of Anarchy. 3 and several earlier EPs from the popular show .
not_related.