With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In 1948, Tipper Gore was born.
text_B: Mary Elizabeth `` Tipper '' Gore -LRB- nee Aitcheson ; born August 19 , 1948 -RRB- is an author , photographer , and social issues advocate who was Second Lady of the United States from 1993 to 2001 , and the wife of Al Gore , the 45th Vice President of the United States , from whom she is currently separated .. Second Lady of the United States. Second Lady of the United States. Al Gore. Al Gore. Vice President of the United States. Vice President of the United States. Gore rose to prominence for her work with the Parents Music Resource Center -LRB- PMRC -RRB- , voicing strong opinions and advocating censorship , for the labeling of record covers of releases featuring profane language , especially in the heavy metal , punk and hip hop genres .. Parents Music Resource Center. Parents Music Resource Center. profane language. profane language. heavy metal. Heavy metal music. punk. punk rock. hip hop. hip hop music. She has advocated for mental health , homelessness , women and children .. Gore has also been an LGBT rights activist since her husband was in office , which was rare for a second lady and against her husband 's beliefs at the time .. LGBT rights. LGBT rights
related.