With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robert Redford has never directed a movie.
text_B: Glacier Gardens was an indoor arena in San Diego , California .. arena. arena. It opened in 1939 .. In that year , the San Diego Figure Skating Club was founded with the arena as its home .. arena. arena. San Diego Figure Skating Club. San Diego Figure Skating Club. The club was incorporated in 1940 .. The arena was the venue for ice shows throughout the 1940s .. arena. arena. It hosted the Pacific Coast Hockey League 's San Diego Skyhawks from 1944 to 1950 .. Pacific Coast Hockey League. Pacific Coast Hockey League. San Diego Skyhawks. San Diego Skyhawks. The arena held 5,000 people .. arena. arena. The Skyhawks won the Pacific Coast Hockey League Championship for the 1948-1949 season .. Pacific Coast Hockey League. Pacific Coast Hockey League. Glacier Gardens was located at the intersection of 8th and Harbor , just south of present day Petco Park .. Petco Park. Petco Park. By 1956 , the venue was known as just `` The Arena . ''. Elvis Presley , with his backup band , guitarist Scotty Moore , bassist Bill Black , and drummer D. J. Fontana , appeared at the arena on April 4 and 5 , 1956 and June 5 and 6 , 1956 .. arena. arena. Elvis Presley. Elvis Presley. Scotty Moore. Scotty Moore. Bill Black. Bill Black. D. J. Fontana. D. J. Fontana. In the early 1960s , the arena was sub-leased for retail and auctions , then for manufacture of a miniature jeep , the Crofton Bug .. arena. arena. The Arena was torn down a few years later .. The San Diego Sports Arena , which in 2010 became the Valley View Casino Center , has served as a venue for minor league ice hockey and other indoor sports in San Diego since 1966 .. Valley View Casino Center. Valley View Casino Center
not_related.