With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The House of Lusignan was from France.
text_B: The Texas Academy of Mathematics and Science -LRB- TAMS -RRB- is a two-year residential early entrance college program serving approximately 375 high school juniors and seniors at the University of North Texas .. residential. residential college. Texas. Texas. early entrance college program. early entrance college program. University of North Texas. University of North Texas. Students are admitted from every region of the state through a selective admissions process .. TAMS is a member of the National Consortium for Specialized Secondary Schools of Mathematics , Science and Technology .
not_related.