With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Streptococcus is a genus of Gram-positive humans.
text_B: Frederic May Lillebridge -LRB- 14 December 1857 -- 8 September 1934 -RRB- was an American pianist , composer and professor at New York College of Music , a music conservatory that merged with New York University in 1968 .. composer. composer. Music. Music. New York College of Music. New York College of Music. American. Americans. pianist. pianist. professor. professor. music conservatory. music conservatory. New York University. New York University. Among others , he was attached to the Chicago Symphony Orchestra .. Chicago Symphony Orchestra. Chicago Symphony Orchestra
not_related.