Original sentence: Some 475 rebels, among them Manuel Rojas, Mariana Bracetti and Juan Rius Rivera were imprisoned in Arecibo
Edited sentence: He became a member of the Mayagüez revolutionary cell "Capá Prieto" under the command of  Brugman.He interrupted his studies and traveled to the United States where immediately went to the Cuba Revolutionary "Junta" and offered his services.Juan Rius Rivera, who as a young man, met and befriended Betances, had joined the pro-independence movement in the island.Ríus, who had not participated deirectly in the revolt because at the time he was studying law in Spain, was an avid reader about information pertaining to the Antilles and learned about the failed revolt.Some 475 rebels, among them Manuel Rojas and Mariana Bracetti were imprisoned in Arecibo