With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Caroline, Princess of Hanover is married to anyone except the heir of George III of the United Kingdom.
text_B: Caroline , Princess of Hanover -LRB- Caroline Louise Marguerite ; born 23 January 1957 -RRB- , is the eldest child of Rainier III , Prince of Monaco , and American actress Grace Kelly .. Hanover. House of Hanover. Grace Kelly. Grace Kelly. Monaco. Monaco. She is the elder sister of Prince Albert II and Princess Stephanie .. Prince Albert II. Albert II, Prince of Monaco. Princess Stephanie. Princess Stephanie of Monaco. Until the births of her niece and nephew Princess Gabriella and Prince Jacques of Monaco in December 2014 she had been heir presumptive to the throne of Monaco since 2005 , a position which she previously held from 1957 to 1958 .. Monaco. Monaco. Princess Gabriella. Princess Gabriella of Monaco. Prince Jacques of Monaco. Prince Jacques of Monaco. heir presumptive. heir presumptive. throne of Monaco. Line of succession to the Monegasque throne. Caroline is married to Ernst August , Prince of Hanover -LRB- born 1954 -RRB- , the heir to the former throne of the Kingdom of Hanover , as well as the heir male of George III of the United Kingdom .. Hanover. House of Hanover. former throne. abolished monarchy. Kingdom of Hanover. Kingdom of Hanover. heir male. heir male. George III of the United Kingdom. George III of the United Kingdom
related.