With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There are risk factors to getting dementia.
text_B: Season eleven of 7th Heaven -- an American family-drama television series , created and produced by Brenda Hampton .. 7th Heaven. 7th Heaven ( TV series ). Brenda Hampton. Brenda Hampton. It premiered on September 25 , 2006 , on The CW , and concluded on May 13 , 2007 -LRB- 22 episodes -RRB- .. The CW. The CW. It is the final season of the series .. Stephen Collins , Catherine Hicks , Beverley Mitchell , and Mackenzie Rosman are the only cast members to star in all eleven seasons of the series , along with Happy the dog .. Stephen Collins. Stephen Collins. Catherine Hicks. Catherine Hicks. Beverley Mitchell. Beverley Mitchell. Mackenzie Rosman. Mackenzie Rosman
not_related.