CLEAN : Thailand: Rescue enters 7th day for 13 missing in a cave

The video starts with a whistle blowing, followed by indistinct chatter in the background. These sounds set the scene for the tutorial, possibly indicating a transition or a change in focus.

What sound is used to introduce the video tutorial?

• A drum beating

• A horn honking

• A whistle blowing

• A bell ringing

What does the indistinct chatter in the video likely signify?

• A quiet environment

• A transition or background activity

• A musical performance

• A lecture starting