With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alicia Silverstone has yet to work with director Amy Heckerling.
text_B: Year 1187 -LRB- MCLXXXVII -RRB- was a common year starting on Thursday -LRB- link will display the full calendar -RRB- of the Julian calendar .. MCLXXXVII. Roman numerals. common year starting on Thursday. common year starting on Thursday. Julian calendar. Julian calendar
not_related.