CLEAN : Rights court mulls whether to let French quadriplegic die

The video tutorial provides an introduction to the Street Journal and discusses the concept of balls.

What is the primary focus of the Street Journal section?

• A travel blog

• A sports magazine

• A financial newspaper

• A cooking show

What is the main topic discussed in the 'balls' section?

• History of ball games

• Manufacturing process of balls

• Different kinds of balls

• Types of sports equipment