With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jared Leto is an American television actor.
text_B: London Bridge is a bridge in Lake Havasu City , Arizona .. London. London. Lake Havasu. Lake Havasu. It was built in the 1830s and formerly spanned the River Thames in London , England .. River Thames. River Thames. London. London. It was dismantled in 1967 and relocated to Arizona .. The Arizona bridge is a reinforced concrete structure clad in the original masonry of the 1830s bridge , which was purchased by Robert P. McCulloch from the City of London .. London. London. reinforced concrete. reinforced concrete. Robert P. McCulloch. Robert P. McCulloch. City of London. City of London. McCulloch had exterior granite blocks from the original bridge numbered and transported to America to construct the present bridge in Lake Havasu City , a planned community he established in 1964 on the shore of Lake Havasu .. Lake Havasu. Lake Havasu. The bridge was completed in 1971 -LRB- along with a canal -RRB- , and links an island in the Colorado River with the main part of Lake Havasu City .. Lake Havasu. Lake Havasu. Colorado River. Colorado River ( U.S. ). The song London Bridge is Falling Down is a nursery rhyme that predates the bridge 's original 19th century construction .. London. London. London Bridge is Falling Down. London Bridge is Falling Down
not_related.