Break down the string as potentially representing IV (Volume 4), U-15 (Unit 15), and LALS-01 (Lesson 1).
** .avi**: The Audio Video Interleave format, a multimedia container format introduced by Microsoft in 1992. 2. Playback Requirements
-IV--U-15--LALS-01-2-L-VE SCHOOL Jr 14 .avi Format: AVI (Audio Video Interleave) Subject Area: Language and Life Skills (LALS) Target Audience: Junior Learners (Approximate Grade/Year 14, or Age 14)
