premise: One Night (French: 38 témoins ), also known as 38 Witnesses, is a 2012 Belgian-French drama film directed by Lucas Belvaux. It was written by Belvaux based on Didier Decoin's novel "Est-ce ainsi que les femmes meurent?". It premiered on 30 January 2012, at the International Film Festival Rotterdam. The film was nominated for seven Magritte Awards, winning Best Screenplay.
hypothesis: The film won best actor.
reason: This only says it won best screen play. Doesn't say if it won any other rewrds.