With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: December 9th, 1916 was the birth date of Kirk Douglas.
text_B: I Sailed with Magellan is a `` novel-in-stories '' by Stuart Dybek , published in 2003 by Farrar , Straus and Giroux .. Stuart Dybek. Stuart Dybek
not_related.