The video tutorial introduces the concept of asking and identifying who someone is, using the example of identifying a person as a doctor. It provides a simple dialogue in both English and Vietnamese to illustrate the process of asking 'Who is this?' and responding with 'This is a doctor.'

What is the main focus of the first section?

• Describing a doctor's duties

• Discussing healthcare systems

• Explaining medical procedures

• Identifying people and their professions

What question is asked at the beginning of the video?

• What is your name?

• Where do you live?

• Who is this?

• How old are you?

Which profession is highlighted in the second section?

• Artist

• Doctor

• Teacher

• Engineer

In the context of the video, what does 'Đây là một bác sĩ' mean?

• This is a lawyer

• This is a nurse

• This is a doctor

• This is a teacher

What language is used alongside English in the video?

• French

• Spanish

• Vietnamese

• Chinese