With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Shingles is a type of food that is not like herpes simplex virus.
text_B: Peregrine Osborne may refer to  :. Peregrine Osborne , 2nd Duke of Leeds -LRB- 1659 -- 1729 -RRB- , English MP for Berwick-upon-Tweed , Corfe Castle and York , Lord Lieutenant and Custos Rotulorum of the East Riding of Yorkshire. Peregrine Osborne , 3rd Duke of Leeds -LRB- 1691 -- 1731 -RRB- , his son , English peer
not_related.