With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dirty Diana is by someone from a country.
text_B: Rafael Lopez may refer to  :. Rafael Lopez Gutierrez -LRB- 1855-1924 -RRB- , president of Honduras from 1920 to 1924. Rafael Lopez Gutierrez. Rafael Lopez Gutierrez. Rafael `` Red '' Lopez -LRB- 1886-1921 -RRB- , Mexican outlaw and revolutionary. Rafael Lopez -LRB- handballer -RRB- , Spanish Olympic contender. Rafael Lopez -LRB- illustrator and artist -RRB-. Rafael Lopez -LRB- baseball -RRB- , baseball player
not_related.