With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John II of Portugal served as Portugal's king.
text_B: Claudine Wallet -LRB- born 20 August 1932 -RRB- is a Belgian fencer .. fencer. fencing. She competed in the women 's individual foil event at the 1960 Summer Olympics .. foil. foil ( fencing ). 1960 Summer Olympics. 1960 Summer Olympics
not_related.