CLEAN : Hong Kong police clash with anti China protesters

The video tutorial covers an introduction to a topic, details on inviting people, and a discussion on evaluating whether something is good or bad.

What does the phrase 'up to their head' imply in the context of the video?

• Being fully involved or immersed

• Standing on one's head

• Wearing a hat

• Looking upwards

What year is mentioned in the context of inviting people?

• 2010

• 2020

• 2000

• 1999

What number is identified as the starting point in the video?

• 10

• 25

• 50

• 100

What is the significance of the number 5 in the video?

• It represents a group of people

• It is a lucky number

• It is the number of steps to follow

• It is questioned whether it is good or bad

Which of the following is NOT discussed in the video?

• The number 5

• The year 2000

• The concept of 'up to their head'

• The number 100