With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Jones (video game developer) is without a profession.
text_B: Alfred Klausnitzer -LRB- born 4 July 1900 , date of death unknown -RRB- was a Czech fencer .. fencer. fencing. He competed in the team epee event at the 1936 Summer Olympics .. epee. epee. 1936 Summer Olympics. 1936 Summer Olympics
not_related.