With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: President of the United States Ronald Reagan publicly describe the Soviet Union as an "evil empire."
text_B: Tsukuba Space Center -LRB- TKSC -RRB- is the operations facility and headquarters for the Japan Aerospace Exploration Agency -LRB- JAXA -RRB- located in Tsukuba Science City in Ibaraki Prefecture .. Japan Aerospace Exploration Agency. Japan Aerospace Exploration Agency. Tsukuba Science City. Tsukuba Science City. Ibaraki Prefecture. Ibaraki Prefecture. The facility opened in 1972 and serves as the primary location for Japan 's space operations and research programs .. Japanese astronauts involved in the International Space Station are trained in part here in addition to the training they receive at the Lyndon B. Johnson Space Center , in Houston , Texas .. International Space Station. International Space Station. Lyndon B. Johnson Space Center. Lyndon B. Johnson Space Center. The TKSC offers tours of the facility as well as an exhibit hall which features models of the H-II Transfer Vehicle and a full-sized mock-up of the Kibo module on the International Space Station .. International Space Station. International Space Station. H-II Transfer Vehicle. H-II Transfer Vehicle. Kibo. Kibo ( ISS module )
not_related.