Question: The Mothers of Plaza de Mayo, is a 1985 Argentine documentary film, about which association of Argentine mothers whose children "disappeared" during the state terrorism of the military dictatorship, between 1976 and 1983?
Sentence (from "Mothers of the Plaza de Mayo"): They organized while trying to learn what had happened to their children, and began to march in 1977 at the Plaza de Mayo in Buenos Aires, in front of the Casa Rosada presidential palace, in public defiance of the government's state terrorism intended to silence all opposition.
Relevant evidence: No