Write the next sentence in this paragraph:

A man is seen speaking to the camera while riding an exercise bike. He moves his legs quickly while standing on the bike. he

Options are: 1. continues riding around on the bike while looking back to speak to the camera.; 2. then rides past several more bikes.; 3. continues to ride the bike around and ends by standing still and speaking.; 4. continues to ride the bike while smiling and speaking to the camera.;
4.