Most of the Canadian films produced this year were shown at the Lac Nichoutec Film Festival. Some of the films that won prizes at international film festivals this year were Canadian films. This year, at least one film that won a prize at an international film festival was not shown at the Lac Nichoutec Film Festival. This year, not every film that won a prize at the Lac Nichoutec Film Festival was also shown at an international film festival.
Only Canadian films are shown at the Lac Nichoutec Film Festival. This year, most of the films that won prizes at that festival also won prizes at international film festivals.
If the above statements are true, which one of the following statements must also be true?