With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sofia Coppola's father is a person.
text_B: Rock FM -LRB- callsign  : 4RFM -RRB- is a Community radio station based in Moranbah , Queensland , Australia .. Moranbah. Moranbah, Queensland. Queensland. Queensland
not_related.