With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Imagine Dragons have a final studio album.
text_B: Mexico competed at the 1952 Summer Olympics in Helsinki , Finland .. Helsinki. Helsinki. Mexico. Mexico. 1952 Summer Olympics. 1952 Summer Olympics. Finland. Finland. 64 competitors , 61 men and 3 women took part in 35 events in 13 sports .
not_related.