With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Beijing is the nation's educational center.
text_B: Margrete Mørch -LRB- born 23 June 1977 -RRB- is a Norwegian fencer .. fencer. fencing. She competed in the women 's individual and team epee events at the 2000 Summer Olympics .. epee. epee. 2000 Summer Olympics. 2000 Summer Olympics. She is the daughter of Claus Mørch Jr. and granddaughter of Claus Mørch Sr. who both fenced for Norway at the Olympics .. Norway. Norway
not_related.