With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Katie Stevens' birth year was 1972.
text_B: Janet Bewley-Cathie-Wardell-Yerburgh -LRB- born 15 February 1940 -RRB- is a British fencer .. fencer. fencing. She competed in the women 's individual and team foil events at the 1964 , 1968 and 1972 Summer Olympics .. foil. foil ( fencing ). 1964 Summer Olympics. 1968 Summer Olympics. 1972 Summer Olympics. 1972 Summer Olympics
not_related.