With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Google was founded in 1988.
text_B: Kazakhstan will compete at the 2018 Winter Olympics in PyeongChang , South Korea , from 9 to 28 February 2018 .. Kazakhstan. Kazakhstan. 2018 Winter Olympics. 2018 Winter Olympics. PyeongChang. PyeongChang. South Korea. South Korea
not_related.