With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Kiffmeyer is known informally as Al Sobrante.
text_B: David Hopkins may refer to  :. David Hopkins -LRB- comic artist -RRB- , webcomic artist. David Hopkins -LRB- writer -RRB- -LRB- born 1977 -RRB- , American comic book writer and essayist. David Hopkins -LRB- musician -RRB- , singer-songwriter. David W. Hopkins -LRB- 1897 -- 1968 -RRB- , U.S. Representative from Missouri. David W. Hopkins. David W. Hopkins. David Hopkins -LRB- cricketer -RRB- -LRB- born 1957 -RRB- , former English cricketer
not_related.