With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Slash is in Atreyu.
text_B: Mike Wilhelm may refer to  :. Mike Wilhelm -LRB- musician -RRB- -LRB- born 1942 -RRB- , American guitarist , singer and songwriter. Mike Wilhelm -LRB- basketball -RRB- , American basketball coach
not_related.