With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The National Security Agency has the responsibility of processing of data for intelligence purposes.
text_B: Sphingnotus dunningi is a species of beetle in the family Cerambycidae .. Cerambycidae. Cerambycidae. Sphingnotus. Sphingnotus. beetle. beetle. It was described by Pascoe in 1867 .
not_related.