With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kristen Bell is in slapstick films.
text_B: The 2015 -- 16 season is UD Las Palmas 's 32nd season in top-tier .. Las Palmas. UD Las Palmas. UD Las Palmas. UD Las Palmas. top-tier. La Liga
not_related.