CLEAN : FILE: Brazil prosecutor wants convicted footballer back in jail

The video begins with an introduction to the effects of arthritis, followed by a brief greeting.

What is the initial tone of the video?

• Excited and energetic

• Calm and soothing

• Abrupt and unexpected

• Friendly and welcoming

What is the main topic introduced in the video?

• The benefits of exercise

• Healthy eating habits

• The importance of sleep

• The effects of arthritis

What is the purpose of the greeting at the end?

• To introduce the speaker

• To conclude the video

• To apologize for the abrupt start

• To transition to the main content