With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mark Hamill was born in 1980.
text_B: Cosmisoma hirtipes is a species of beetle in the Cerambycidae family .. Cerambycidae. Cerambycidae. Cosmisoma. Cosmisoma. beetle. beetle. It was described by Zajciw in 1962 .. Zajciw. Dmytro Zajciw
not_related.