With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Edward VIII's reign ended in 1935.
text_B: Music for an Aquatic Ballet is the most commonly used title to refer to an untitled composition by American avant-garde composer John Cage .. John Cage. John Cage. It was presumably finished in 1938 , for its performance at the National Aquatic Show in Los Angeles .. Los Angeles. Los Angeles. Even though the score of the composition is lost and has never been published nor performed after its premiere , some of Cage 's fellow musicians have loosely reconstructed it .
not_related.