With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Saamy is a Tamil action film.
text_B: Mount Nyiragongo is an active stratovolcano with an elevation of 3470 m in the Virunga Mountains associated with the Albertine Rift .. Virunga Mountains. Virunga Mountains. stratovolcano. stratovolcano. Albertine Rift. Albertine Rift. It is located inside Virunga National Park , in the Democratic Republic of the Congo , about 20 km north of the town of Goma and Lake Kivu and just west of the border with Rwanda .. Democratic Republic of the Congo. Democratic Republic of the Congo. Virunga National Park. Virunga National Park. Goma. Goma. Lake Kivu. Lake Kivu. Rwanda. Rwanda. The main crater is about two kilometres wide and usually contains a lava lake .. lava lake. lava lake. The crater presently has two distinct cooled lava benches within the crater walls - one at about 3175 m and a lower one at about 2975 m. Nyiragongo 's lava lake has at times been the most voluminous known lava lake in recent history .. lava lake. lava lake. The depth of the lava lake varies considerably .. lava lake. lava lake. A maximum elevation of the lava lake was recorded at about 3250 m prior to the January 1977 eruption - a lake depth of about 600 m .. lava lake. lava lake. A recent very low elevation of the lava lake was recorded at about 2700 m. Nyiragongo and nearby Nyamuragira are together responsible for 40 % of Africa 's historical volcanic eruptions .. lava lake. lava lake. Nyamuragira. Nyamuragira. Africa. Africa
not_related.