With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alison Brie starred in Get Hard alongside Will Ferrell.
text_B: Sir Thomas George Knox -LRB- 1824 -- 1887 -RRB- was an Irish soldier and diplomat , consul-general in Siam from 1868 to 1879 .. Siam. Siam
not_related.