Multi-select problem: How does the next paragraph end?

A man, with a saxophone around his neck, demonstrates how to play the saxophone in front of a green chalkboard and next to a brown piano. The man points to different sections of the saxophone as he talks to the camera. the man

OPT:
-- shows off the third section of the saxophone as he ends his introduction and video segment.;
-- begins to play the saxophone briefly and then turns to the chalkboard and begins to write notes on it as he talks to the camera.;
-- continues to explain and demonstrates the basics of playing in front of the black screen.;
-- use a harmonica as the man adjusts the saxophone and talks with the camera.;
begins to play the saxophone briefly and then turns to the chalkboard and begins to write notes on it as he talks to the camera.