With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: One World Trade Center's opening year was 2014.
text_B: Daniel `` Dan '' O'Boyle -LRB- died November 1933 -RRB- was a Catholic Irish publican murdered by Protestant loyalists in 1933 .. Catholic. Roman Catholic. Protestant. Protestant. loyalists. Ulster loyalism. This incident had been the first religiously motivated murder in Ireland since 1922 , and initiated a series of violent acts between Catholic nationalists and Protestant unionists that ultimately led to the 1935 Belfast Riots .. Catholic. Roman Catholic. Protestant. Protestant. Ireland. Ireland. nationalists. Irish nationalism. unionists. Unionism in Ireland. Belfast Riots. Belfast Riots
not_related.