Barricades being erected on streets in Washington

The video tutorial begins with an introduction, followed by an expression of gratitude.

What is the first word spoken in the video?

• Hello

• Yeah

• Thank

• Play

What phrase is used to express gratitude in the video?

• Sorry

• Please

• You're welcome

• Thank you

What is the duration of the 'Thank you' section?

• 400 ms

• 290 ms

• 190 ms

• 300 ms

Which word is used to show agreement in the video?

• Yeah

• Maybe

• No

• Yes

How long is the 'Affirmation' section?

• 290 ms

• 300 ms

• 200 ms

• 190 ms