With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jack Dorsey is only the CFO of Twitter.
text_B: Eupithecia urbanata is a moth in the family Geometridae .. Geometridae. Geometridae. Eupithecia. Eupithecia. moth. moth. It is found in Djibouti and Ethiopia .. Djibouti. Djibouti. Ethiopia. Ethiopia
not_related.