With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In December of 2016, Fifth Harmony sold a total of 424,000 albums.
text_B: Aabaco Small Business from Yahoo -LRB- formerly Yahoo Small Business -RRB- is a company located in Sunnyvale , California , and offers a full range of small business services consisting of ecommerce , web hosting , domains , advertising , and local marketing .. Business. Business. Yahoo. Yahoo
not_related.