Sumo tournaments are held in January, May, and September at the Kuramae Kokugikan in Tokyo, during March in Osaka, in July in Nagoya, and in November in Fukuoka (Kyushu).
Sumo tournaments are only in October.
mnli hypothesis: Sumo tournaments are only in October. premise: Sumo tournaments are held in January, May, and September at the Kuramae Kokugikan in Tokyo, during March in Osaka, in July in Nagoya, and in November in Fukuoka (Kyushu).