With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cannibalism continued in some isolated South Pacific cultures.
text_B: Schubert is a crater on Mercury .. crater on Mercury. list of craters on Mercury. It is named after Franz Schubert , a famous Austrian composer .. Franz Schubert. Franz Schubert. Category  : Impact craters on Mercury. Category  : Franz Schubert. Franz Schubert. Franz Schubert
not_related.