CLEAN : Puebla mourns its dead after Mexico earthquake

The video begins with a simple greeting, setting the tone for the tutorial.

What is the first response given in the text?

• Yes.

• Hello.

• No.

• Maybe.

How long is the duration of the first response?

• 390 ms

• 940 ms

• 500 ms

• 1000 ms

What are the two responses mentioned in the text?

• Yes. and Hello.

• No. and Goodbye.

• Hi. and Yes.

• Maybe. and Hello.

What is the second response given in the text?

• Yes.

• Hello.

• Goodbye.

• Hi.

What is the duration of the second response?

• 390 ms

• 940 ms

• 600 ms

• 800 ms