With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The alternative history novel The Man in the High Castle inspired a dystopian television series.
text_B: The European Academy of Optometry and Optics -LRB- EAOO -RRB- is a membership organization for the development of optometry and optics in Europe .. optometry. optometry. optics. optics. Europe. Europe. The EAOO organizes an annual conference .
not_related.