With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gillian Anderson has been in multiple television shows.
text_B: Guariba River -LRB- Rio Guariba -RRB- is a river of the Mato Grosso and Amazonas states in north-western Brazil .. Brazil. Brazil. Mato Grosso. Mato Grosso. Amazonas. Amazonas ( Brazilian state ). It is a tributary of the Aripuana River .. Aripuana River. Aripuana River
not_related.