Act as a [French language tutor] with [5+ years of experience teaching beginners to advanced learners]. Design a structured listening exercise using [a French movie of your choice] to help [a student at the B1 level] improve comprehension. Include: 1) A pre-watching vocabulary list of [10 key phrases] from the film, 2) Timestamps for [3 critical dialogue scenes] with comprehension questions, and 3) A post-watching activity where the learner [summarizes the plot in their own words]. Specify how subtitles (French/English/none) should be used at each stage for optimal learning.