With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jessica Chastain was not in Interstellar.
text_B: Charles Achille Muntz -LRB- 10 August 1846 -- 20 February 1917 -RRB- was a French agricultural chemist .. French. French people. agricultural chemist. agricultural chemist
not_related.