With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michelle Obama gave speeches at two Democratic National Conventions.
text_B: Ralph Rucci -LRB- born 1957 -RRB- is an American fashion designer and artist .. American. United States. fashion designer. fashion designer. He is known in particular for Chado Ralph Rucci , a luxury clothing and accessories line .. Rucci 's clothing designs have appeared in a number of major exhibitions , and he has won some significant fashion-industry awards .. He is the subject of a recent documentary , and he and his clothing have received positive critical response in the fashion press .
not_related.