Premise: Mary Elizabeth `` Tipper '' Gore ( née Aitcheson ; born August 19 , 1948 ) 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 .
Hypothesis: Tipper Gore was alive in 1948.
Label: ENTAILMENT