With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Minos fathered Phaedra and he was Greek.
text_B: Vasudeva Nanayakkara -LRB- born 3 January 1939 -RRB- is a veteran left-wing Sri Lankan politician , Member of Parliament and a former presidential candidate .. presidential. President of Sri Lanka
not_related.