UN Syria envoy Lakhdar Brahimi arrives in Iraq, meets foreign minister

The video consists of a brief conversation with three distinct words: 'No', 'Yeah', and 'Shop'. Each word is presented in sequence, possibly indicating a progression or change in thought or topic.

Can you provide an example of a situation where 'No.' would be an appropriate response?

Discuss the significance of affirmations like 'Yeah.' in communication.