With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Eva Longoria is a Canadian.
text_B: Necmettin Bilal Erdogan -LRB- born 23 April 1981 -RRB- is a Turkish businessman , the third child of Recep Tayyip Erdogan , the President of Turkey .. Recep Tayyip Erdogan. Recep Tayyip Erdogan. President of Turkey. President of Turkey
not_related.