With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Throughout Earth's largest and most populous continent, Yelp expanded.
text_B: David Fitter -LRB- born 27 January 1977 -RRB- is a retired Australian rugby union player who played for the Australia national rugby union team , Sydney University , Melbourne University , Western Force and the London Irish .. Melbourne. Melbourne. Australia. Australia. rugby union. rugby union. Australia national rugby union team. Australia national rugby union team. Sydney University. Sydney University. Melbourne University. Melbourne University. Western Force. Western Force. London Irish. London Irish. Fitter played Australian rules football at Scotch College prior to switching to rugby .. Scotch College. Scotch College, Melbourne. In June 2003 , he joined the Australia ` A ' squad playing Japan at the Prince Chichibu Memorial Stadium in Tokyo .. Australia. Australia. After retiring from rugby he returned to school at Melbourne University to study biomedicine .. Melbourne. Melbourne. Melbourne University. Melbourne University
not_related.