premise: Diana, Our Mother: Her Life and Legacy is a 2017 documentary film broadcast in the United Kingdom by ITV on 24 July 2017 and the United States by HBO on 24 July 2017. It will also air on Seven Network in Australia, CBC in Canada, Three in New Zealand, NRK in Norway, YLE in Finland and TV2 in Denmark. It aired on Aug 20th, 2017 on CBC News Network.
hypothesis: Diana, Our Mother: Her Life and Legacy is a telemovie documentary.
reason: The original context described this as a television movie. 