With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marlon Brando did activism.
text_B: Mount Jurupa is the highest point of the Jurupa Mountains , being located in northwestern Riverside County , California .. Jurupa Mountains. Jurupa Mountains. Riverside. Riverside, California. The summit is just south of the Riverside -- San Bernardino county line .. Riverside. Riverside, California. San Bernardino. San Bernardino, California. A hiking trail leads to its summit , which offers spectacular views of Riverside , Fontana , San Bernardino , and Moreno Valley .. Riverside. Riverside, California. San Bernardino. San Bernardino, California. Fontana. Fontana, California. Moreno Valley. Moreno Valley, California. In a small canyon at the base of the mountain is the Jurupa Mountains Cultural Center , a non-profit educational facility that includes nature trails , gardens , and an Earth Science Museum .. Jurupa Mountains. Jurupa Mountains. The name can be traced to the Jurupa land grant dated September 28 , 1838 .. Jurupa land grant. Rancho Jurupa. Before the secularization of the missions , Jurupa was the name of one of the Mission San Gabriel ranchos .. Mission San Gabriel. Mission San Gabriel. Jarupa was probably a Serrano or Gabrielino Shoshonean name .. Serrano. Serrano people. Gabrielino. Tongva people
not_related.