With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Guinevere is found in medieval Scottish prose.
text_B: The body louse -LRB- Pediculus humanus humanus , sometimes called Pediculus humanus corporis -RRB- is a louse that infests humans .. Pediculus. Pediculus. louse. louse. The condition of being infested with head lice , body lice , or pubic lice is known as pediculosis .. head lice. head lice. pubic lice. pubic lice. pediculosis. pediculosis. Body lice are vectors for the transmission of the human diseases Epidemic typhus , Trench fever and Relapsing fever The body louse genome sequence analysis was published in 2010 .. louse. louse. vectors. Vector ( epidemiology ). Epidemic typhus. Epidemic typhus. Trench fever. Trench fever. Relapsing fever. Relapsing fever
not_related.